it isworth considering what makes convenience foods so popular,and_____better ones of your own
问题描述:
it isworth considering what makes convenience foods so popular,and_____better ones of your own
A.introduces B.to intriduce C.introducing D.introduced
答
C
and是并列结构.be worth doing sth
整句应该是:It is worth considering what makes convenience foods so popular,and it is worth introducing better ones of your own.