“How long have you been an actor?” “ 1995 when I graduated from college.”A. AfterB. InC.

问题补充：

“How long have you been an actor?” “ 1995, when I graduated from college.”

A. After

B. In

C. From

D. Since

答案：

A. After

B. In

C. From

(答案→)D. Since

解析：若仅从答句来看，四个答案都说得过去。但若结合问句的语境以答案应选D，因为其余三选项填入空格均不能回答问句所提出的问题。