请选择ABCD:|6d'W'O0w9G4`7V— Is Mary in ? —3|9Q-E4n:]8|9z0P
A. Sorry , she’s at work .3|9Q-E4n:]8|9z0P
B. How are you ?3|9Q-E4n:]8|9z0P
C. That’s all right .3|9Q-E4n:]8|9z0P
D. How do you do ?3|9Q-E4n:]8|9z0P