SAT Practiceb864dc55-e802-40d8-9448-12e32f81e910

Practice one SAT question at a time

Questions come from the Bluebook question bank. Made by Iskaa303 (Iskander Madikhan).

Dong Lai and Diego J. Muñoz’s work on circumbinary disk accretion—a process in which, due to gravity, material from an orbiting disk spirals inward and accumulates onto two stars or black holes—relies heavily on simulations. Lai and Muñoz recognize the need for direct blank recommending evolving binary star systems as a promising avenue for future study.

Which choice completes the text so that it conforms to the conventions of Standard English?