SAT推理测验（SAT Reasoning Test）是美国大学录取中的一个标准化测试。SAT考试隶属于由非盈利性机构美国大学理事会（College Board）。
Choose the word or set of words that, when inserted in the sentence, best fits the meaning of the sentence as a whole.
Since the two legislators had a long history of major disagreements, the senator considered his colleagues enthusiastic assurances that they would be in agreement on a forthcoming piece of legislation -------.
Choice (A) is correct. It makes sense that thesenator, in light of his and his colleague's share history of non-cooperation, would consider the colleagues assurances "fatuous," or complacently foolish.