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130. Australian embryologists have found evidence that suggests that the elephant is
descended from an aquatic animal, and its trunk originally evolving as a kind of
snorkel.
(D) to suggest that the elephant had descended from an aquatic animal and
its trunk originally evolved
(E) to suggest that the elephant is descended from an aquatic animal and
that its trunk originally evolved
这题答案选E,可是为什么不能用D中的时态呢,had descended。。。and。。。had evovlved 这样才平行吗?(不可以省略had么)
然后E选项,是被动吗? 题目中有现在完成时,这里怎样得知用一般时呢?
呜呜,问题有点傻,恳请牛牛指点~
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