语法3

寂寞的自由

13.Inflation has made many Americans reevaluate their assumptions about the future; they still expect to live better than their parents have, but not so well as they once thought they could.
(A) they still expect to live better than their parents have
(B) they still expect to live better than their parents did
(C) they still expect to live better than their parents had
(D) still expecting to live better than their parents had
(E) still expecting to live better than did their parents
请大家帮忙分析一下，谢谢

braveMBA

“；”，所以D、E排除，不是完整句子。比较结构的动词补出必须同主句的谓语动词保持一致，BE--BE，DO--DO，时态根据句子意思。A和C的HAVE和HAD都没有明确的谓语平行比较，如果理解为助动词，则时态上有问题。

寂寞的自由

谢谢楼上的斑竹~