[单选题]I had hardly sat down _______ he stepped in.

A
when
B
that
C
until
D
after
正确答案:A
题目解析
when引导时间状语从句,意为“当....时”。句意:我刚坐下他就进来了。
扫描二维码
免费搜题、免费刷题、免费查看解析