________ that the trade between the two countries reached its highest point.A) During the 1960’sB) It was in the 1960’sC) That it was in the 1960’sD) It was the 1960’s（B）答案A为什么不对啊

________ that the trade between the two countries reached its highest point.A) During the 1960’sB) It was in the 1960’sC) That it was in the 1960’sD) It was the 1960’s（B）答案A为什么不对啊
________ that the trade between the two countries reached its highest point.
A) During the 1960’s
B) It was in the 1960’s
C) That it was in the 1960’s
D) It was the 1960’s（B）
答案A为什么不对啊

________ that the trade between the two countries reached its highest point.A) During the 1960’sB) It was in the 1960’sC) That it was in the 1960’sD) It was the 1960’s（B）答案A为什么不对啊
A语法不对 .这句是明显的强调句句型.
It is + 被强调部分+that+剩余部分
被强调的是时间状语：in the 1960's.所以选B.

此题考查强调句 固定句型为It's+被强调部分+that……
如果选A 那么句子中that 就多余了

因为that后面引导的是状语从句，横线上要填必须是另一个完整的句子结构即要有谓语的存在，A 只是个介词短语。