GRE General Test: SE-373075 GRE Sentence Equivalence

Because they have been so dazzled by the calendars and the knowledge of astronomy possessed by the Mayan civilization, some anthropologists have _____achievements like the sophisticated carved calendar sticks of the Winnebago people.
Select the two answer choices that, when used to complete the sentence, fit the meaning of the sentence as a whole and produce completed sentences that are alike in meaning