There was time Iraq was one of the strongest countries in the world.A. a；whenB. a；thatC. t

问题补充：

There was time Iraq was one of the strongest countries in the world.

A. a；when

B. a；that

C. the；that

D. the；when

答案：

(答案→)A. a；when

B. a；that

C. the；that

D. the；when

解析：考查定语从句。此定语从句为固定句型：There was a time when ，曾经有一段时间，曾经有一段时间伊朗是世界上最强大的国家之一。所以选A。