拉张网布时，经纬线未垂直容易造成（）
A.图纹错网
B.无法制版
C.制版时破网
D.张力松脱
参考答案：A
It was Asimov was eleven years old his talent for writing became obvious.
A．that, when
B．When, which
C．when, when
D．when, that
