---Which is your preference, tea or coffee?
--- They are both to my taste.
A. None.
B. Either.
C. What about you?
D. At your service.
网友回答
A. None.
(答案→)B. Either.
C. What about you?
D. At your service.
解析： 由They are both to my taste可知, 答案为C。either表示“两者中的任何一个”。 none表示三者或三者以上都不; what about you?用来征求对方的意见, 与问句不相吻合; at your service愿意为您效劳；随时听候您的吩咐。