问题补充:
Never before so highly successful in his attempts to forecast the weather accurately on a small scale.
A. man has been
B. man is
C. has man been
D. will be man
答案:
A. man has been
B. man is
(答案→)C. has man been
D. will be man
解析: 考查时态和倒装句型。never置于句首时句子要倒装。never before用于现在完成时,因此答案为C。