73. (28441-!-item-!-188;#058&003975)
Radiocarbon dating of fossils taken from caves on islands along southeastern Alaska's coast suggest that at least a portion of the area was remaining ice-free during the last ice age.
(A) suggest that at least a portion of the area was remaining (B) suggest at least a portion of the area remaining (C) suggests that a least a portion of the area remained (D) suggests at least a portion of the area that had remained (E) suggests at least a portion of the area to have remained
按照语法排除应该是C,但是想到白勇语法提到during last +时间短语,则时态就是完成时,那么最终还是选了E,错了 答案是C 请大家指点一二 |