[讨论]天山4-17

有没有达人能比较一下A和C的区别啊？bow//

Galileo did not invent the telescope, but on hearing, in 1609, that such an optical instrument had been made, he quickly built his own device from an organ pipe and spectacle lenses.

A. Galileo did not invent the telescope, but on hearing, in 1609, that such an optical instrument had been made, he KEY

B. Galileo had not invented the telescope, but when he heard, in 1609, of such an optical instrument having been made,

C. Galileo, even though he had not invented the telescope, on hearing, in 1609, that such an optical instrument had been made, he ??????????????????????????

D. Even though Galileo did not invent the telescope, on hearing, in 1609, that such an optical instrument had been made,

E. Even though Galileo did not invent the telescope, but when he heard, 1609, of such an optical instrument being made, he

妹妹这里是逻辑讨论区，以后还是发到语法版吧。

选项C错在时态上面，题目没有强调Galieo没有发明望远镜是发生在过去某个时间点之前的事情；只是按照一件过去发生的事情处理。

建议：在没有充分的理由时，不要轻易的改变题目的时态。