求BAT~BABY姐等等各种NN过来解决下这个问题啊~

woaizbc

0G13 SC35 新题
By 1940,the pilot Jacqueline Cochran held seventeen official national and international speed records,and she earned them at a time when aviation was still so new for many of the planes she flew to be of dangerously experimental design。A:and she earned them at a time when aviation was still so new for many of the planes she flew to be
B:earning them at a time that aviation was still so new for many of the planes she flew to be
C:earning these at a time where aviation was still so new that many of the planes she flew were
D:earned at a time in which aviation was still so new such that many of the planes she flew were
E:earned at a time when aviation was still so new that many of the planes she flew were


能不能来帮我每个选项都解释一下T-T好多点不理解。。。

woaizbc

没人理我么~~顶下

jiaoguitar

没人理你是因为你这个标题啊。。。楼主。