SAT Question 1c65db8f: Form Structure And Sense answer and explanation

English - Form Structure And Sense - Subject Verb Agreement
0:00
FREE OFFICIAL BANK
A species of Byropsis algae produces toxins to avoid being eaten by predators. However, in some cases, the toxins the organism uses to protect itself from predation actually ______ its attractiveness to predators. The Hawaiian sea slug, for example, not only tolerates Byropsis toxins but actually uses them for protection in the same way the algae does.
21
Difficulty:Hard
Which choice completes the text so that it conforms to the conventions of Standard English?