seen such a magnificent city as Beijing.A. I before never haveB. Never have before I C.

问题补充：

seen such a magnificent city as Beijing.

A. I before never have

B. Never have before I

C. Never before have I

D. Before never have I

答案：

A. I before never have

B. Never have before I

(答案→)C. Never before have I

D. Before never have I

解析：考查倒装。句意“我从未见过像北京这么宏伟的城市。”never/seldom/hardly/nor/little等位于句首时，常用部分倒装。Never before意为“以前从未......”。故选C。