问题补充：
----It is nice. Never before such a special drink!
---- I am glad you like it.
A. I have had
B. I had had
C. have I had
D. had I had
答案：
A. I have had
B. I had had
(答案→)C. have I had
D. had I had
解析：考察倒装句。否定词放在句首的时候，后面使用部分倒装。根据句意可知是使用现在完成时，因为before通常与现在完成时连用。句意：以前我从来没有喝过这样的饮料。
