The tools of the Federal Reserve:

A. sometimes rely on other actors, such as banks, who can sometimes be unreliable.
B. are easy to use and usually have predictable, standardized effects.
C. sometimes rely on other actors, such as banks, whose actions can be easily predicted.
D. tend to be politically unpopular and thus are rarely used to their full capability.

Ans: A. sometimes rely on other actors, such as banks, who can sometimes be unreliable.