---Have you finished doing the work ?
---Not .
A. already;yet
B. already;already
C. yet;yet
D. yet;already
网友回答
A. already;yet
B. already;already
(答案→)C. yet;yet
D. yet;already
解析：already和yet都表示已经，不同是already只用于肯定句，yet用于否定句和疑问句当中。结合语境可知上文是一般疑问句，下文是否定句，故选C。