Never before 　　　　 in greater need of technical experts than it is today. A. has Hunan been

问题补充：

Never before in greater need of technical experts than it is today.

A. has Hunan been

B. Hunan has been

C. was Hunan

D. Hunan was

答案：

(答案→)A. has Hunan been

B. Hunan has been

C. was Hunan

D. Hunan was

解析：可联系答.案.网客服索取。