_l toured the Great Wall,l was deeply impressed with the beautiful scenery.
问题描述：
_l toured the Great Wall,l was deeply impressed with the beautiful scenery.
A.For the first time B.At first
C.lt was the first time D.The first time
为什么选C不选D,
答
应该选D吧 此句话是要强调the first time 这个时间状语,那么C选项应该在其后加that构成强调句型,并且加上连词.D项是由the first time引导的时间状语从句,而逗号后那句是主句,构成主从复合句.