标题: 求教:2016 OG SC 第130题 [打印本页] 作者: luckygrace 时间: 2016-8-19 20:54 标题: 求教:2016 OG SC 第130题 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