The answer is C because it is very important to know that it must be suited on time unlike the others.
Definition of Implicit: implied though not plainly expressed
Definition of Bias: prejudice in favor of or against one thing, person, or group compared with another, usually in a way considered to be unfair
(So just put the two together)
C. The speaker uses evidence to support her point of view.
Answer:
450
( plus this is a weird question )
I know for a fact that either B. or C. is correct. I think C.