Question

A recent study by a group of neurologists aims to ______ the long-term effects of concussions. By tracking the health and cognitive functioning of participants over time, the study can help us better understand the risks associated with head injuries.
Which choice completes the text with the most logical and precise word or phrase?
Choose 1 answer:
A
obscure
B
clarify
C
minimize
D
exacerbate

Answer 1

B — clarify. The study's longitudinal tracking is intended to make the long-term effects clearer, not obscure, minimize, or worsen them.