Question

eyewitnesses often have different accounts of events, so historians must
believe every account they read to be true.
determine only one account to be the truth
evaluate each account to discover the truth.
not consider any of the accounts to be true.

Explanation:

Historians analyze multiple eyewitness accounts. Believing every account (first option) is illogical as accounts differ. Determining only one as truth (second) ignores context. Not considering any (fourth) dismisses potential evidence. Evaluating each to find truth (third) is the proper historical method.

Answer:

C. evaluate each account to discover the truth