prep test2 18 快考了，求助

错选C，应选D

Although the first pulsar, or rapidly spinning collapsed star, to be sighted was in the summer of

1967 by graduate student Jocelyn Bell, it had not been announced until February, 1968.

(A) Although the first pulsar, or rapidly spinning collapsed star, to be sighted was in the summer of

1967 by graduate student Jocelyn Bell, it had not been announced until February, 1968.

(B) Although not announced until February, 1968, in the summer of 1967 graduate student Jocelyn

Bell observed the first pulsar, or rapidly spinning collapsed star, to be sighted.

(C) Although observed by graduate student Jocelyn Bell in the summer of 1967, the discovery of

the first sighted pulsar, or rapidly spinning collapsed star, had not been announced before February, 1968.

(D) The first pulsar, or rapidly spinning collapsed star, to be sighted was observed in the summer of

1967 by graduate student Jocelyn Bell, but the discovery was not announced until February, 1968.

(E) The first sighted pulsar, or rapidly spinning collapsed star, was not announced until February,

1968, while it was observed in the summer of 1967 by graduate student Jocelyn Bell. 

请教大牛，这里 to be sighted 用的好不好啊，总感觉怪怪的

这道题我一开始也没有做对。

to be sighted做定语修饰pulsar。我觉得本题还是注意gmac经常考到关键考点：逻辑主语（就是主句主语和从句要修饰的主语是否一致）看过解释后还是很清楚的。

ursula_1 什么时候考试啊？

呵呵，21号，谢谢viavian关心。很快哦！好紧张！

我比你晚几天，也是这个月，天天惆怅。一起加油吧。