It is worth considering what makes “convenience” foods so popular,and ____ better ones of your own.
问题描述:
It is worth considering what makes “convenience” foods so popular,and ____ better ones of your own.
A.introduces B.to introduce
C.introducing D.introduced
答
应该选择C
what makes “convenience” foods so popular和--better ones of your own都是跟在It is worth之后的成分!