— I wonder _______ he persuaded his fath
题型：选择题
问题：
— I wonder _______ he persuaded his father to give up smoking.
— He showed him pictures of lungs damaged by cigarettes. [ ]
A. it was how
B. how was it that
C. how it was
D. how it was that
— I wonder _______ he persuaded his father to give up smoking.
— He showed him pictures of lungs damaged by cigarettes. [ ]
A. it was how
B. how was it that
C. how it was
D. how it was that