Bob: How long have you lived here? Sue: .A. Since the beginning of the year.B. In 1990C.

问题补充：

Bob: How long have you lived here? Sue: .

A. Since the beginning of the year.

B. In 1990

C. Not long ago

D. Only until the end of the year

答案：

(答案→)A. Since the beginning of the year.

B. In 1990

C. Not long ago

D. Only until the end of the year

解析：情景交际。A.子今年年初 B. 在1990年C. 不久前 D. 直到今年年底。句意：你住在这儿多久了？选项BCD不能用于完成时态，故选A。