OG13 35 的wordy问题，没人问过，难道只有我自己在纠结吗？？？？求帮助啊~

35. By 1940, [url=]the pilot Jacqueline Cochran held seventeen[/url] 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

我想问一下A 选项哪里WORDY 了。。。我觉得A挺好的啊、、、、E 选项的earn 后面不加点东西总觉得怪怪的。。
求解释！！！