A compare and contrast prompt would be asking you to compare ( find similarities) and contrast ( find differences) between to subject. In answer choice A its asking you to find the similarities ( which means to compare) and differences ( which means to contrast) the two different religions Inca and Aztec. Therefore A is your answer.
You are looking for key words and phrases such as "similar" or "differ." In this example, it took the Incas and the Aztec cultures and asked you to compare or contrast them, but in different words (similar, difference, etc).
