80%的小儿动脉导管解剖闭合的年龄是（）
A.4个月内
B.6个月内
C.8个月内
D.12个月内
E.18个月内
参考答案：A
I went to shanghai last year and I fell in ____ with it.
A.love B.loved C. loveing
粘鱼效应
