The point, again, is that ______ plays at best a very minor role

The point, again, is that ______ plays at best a very minor role in the child’s mastery of language.
A、teaching
B、imitation
C、playing
D、speaking
【正确答案】：B
【题目解析】：The point, again, is that imitation, like overt teaching, plays at best a very minor role in the child’s mastery of language.