天山9中语法求助

The ninetheenth-century chemist HD presented the results of his early experiments in his "essay on heat and light", a critique of all chemistry since RB as well as a vision of a new chemistry that D hoped to found.

A. a critique of all chemistry since RB as well as a vision of a

B. a critique of all chemistry following RB and also his envisioning of a

C. a critique of all chemistry after RB and envisioning as well

请问选哪一个？

since,following,after在这里用有什么不同？

明天就考了，哪位帮忙解答一下，多谢呢！

A.

http://forum.chasedream.com/dispbbs.asp?boardid=23&replyid=376680&id=45197&page=1&skin=0&Star=1

Good luck.