GRE General Test: SE-885419 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