Your answer is the word"few". Hope this helps and good luck!
Answer:
A. He was concentrating hard on his book
Answer:
D) Like the members of the audience, she is a member of the university population.
Explanation:
It let's everyone else feel that they've been heard and that they've contributed.
it lets you hold back your own thoughts until you've heard everyone else's, allowing you to form a more complete, better-formulated opinion.