118k views
2 votes
4. As it is used in paragraph 10, the word "efficient"

most closely means
A. more helpful and more expensive.
B. less dependable but easier to do.
C. quicker and cheaper.
D. slower but better.
Reversing extinction

1 Answer

3 votes
I am unable to answer this question because the story the paragraph is cited from is not attached.
User JK Ly
by
7.2k points