1.------- on football every much,he was dying -----out of th

1._______ on football every much,he was dying _____out of the chassroom.
A.Keen; to go B.Be keen; tor going C.He was keen; to go D.Being keen; for going
2.Fashion changes with the times; _______?
A.so the language does B.the language does so C.so doer the language D.does so the language
3.The gentleman _____ you told me yesterday proved to be a thief.
A.who B.about whom C.with whom D.whom
3题的D都是错误答案,请问正确答案是什么,并且需要对每一题做分析