The following text is from Lilliam Rivera's 2020 novel Never Look Back. The text describes the narrator's friend Pheus, a young musician, after finishing a performance during a church service.
Pheus pulls a handkerchief from his back pocket and wipes his forehead. I mime a quiet clap for him. He does a slight bow and flashes his dimples. This is where Pheus truly shines. When Pheus is in front of an audience, it's as if he becomes another person, a more heightened version of himself.
As used in the text, what does the word “truly” most nearly mean?

The discoveries of natural satellites by Scott S. Sheppard's team of astronomers have been ________: S/2017 J 2, which the group of researchers found orbiting Jupiter in 2017, is just one of over one hundred that they have spotted, while many astronomers have been happy to discover only one or two.
Which choice completes the text with the most logical and precise word or phrase?
 

Certain features are almost always included in the designs of mosques, like the ablution (ritual cleansing) area, which is considered to be a ________ of mosque architecture. Even mosques that exhibit elements of multiple architectural styles, such as the Al-Masjid an-Nabawi, which incorporates elements from the Islamic, Ottoman, and Mamluk revivalist styles, will also include several of these standard features.
Which choice completes the text with the most logical and precise word or phrase?
 

________ traditional descriptions of pollination syndromes (suites of floral traits, such as nectar volume and flower orientation, hypothesized to have independently evolved as a result of selection pressure exerted by pollinators) and recent empirical observations of floral-trait combinations have led some ecologists to express reservations about the utility of those descriptions.
Which choice completes the text with the most logical and precise word or phrase?
 

Vertical gene transfer involves the transmission of genetic material from a parent to offspring; horizontal gene transfer, on the other hand, involves the exchange of genetic material between organisms not in a parent-offspring relationship. While horizontal gene transfer is common among prokaryotes—single-celled organisms, such as the bacteria Enterococcus cecorum and Lactobacillus curvatus—it has rarely been observed among eukaryotes (multicellular organisms). However, new studies suggest that horizontal gene transfer is more common in eukaryotes than originally thought.
Which choice best states the function of the underlined sentence in the text as a whole?