— How long at this job ?
— Since 1990. w。w。w.k。s。5。u.c。o。m w。w。w.k。s。5。u.c。o。m w。w。w.k。s。5。u.c。o。m w。w。w.k。s。5。u.c。o。m
A. were you cmployed
B. have you been employed
C. had you been employed
D. will you be employed
网友回答
A. were you cmployed
(答案→)B. have you been employed
C. had you been employed
D. will you be employed
解析：答语中的since1990是关键信息。