河南成教 / 当代英语语法概论
正确率：100%
27[单选题]
If I had not stood under the ladder to catch you when you fell, you ( ) now.
A.couldn't have smiled
B.wouldn't be smiling
C.didn't smile
D.won't smile
If I had not stood under the ladder to catch you when you fell, you ( ) now.
参考答案：
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