Mr Green has lived in China two years ago.A. beforeB. after C. forD. since

问题补充：

Mr Green has lived in China two years ago.

A. before

B. after

C. for

D. since

答案：

A. before

B. after

C. for

(答案→)D. since

解析：before在……之前；after在……之后；for为了；since自从……以来。句意：自从两年前以来，格林先生就住在中国。结合语境可知选D。