___ she couldn’t understand was ____ fewer and fewer students showed interests in her lessons. 选___ she couldn’t understand was ____ fewer and fewer students showed interests in her lessons.A. What; why B. That; what C. What; because D. Why; that选A请问主句在哪里,

问题描述:

___ she couldn’t understand was ____ fewer and fewer students showed interests in her lessons. 选
___ she couldn’t understand was ____ fewer and fewer students showed interests in her lessons.
A. What; why B. That; what C. What; because D. Why; that

选A
请问主句在哪里,