Large quantities of food __wasted every day simply because of the young people's bad living habit.
问题描述：
Large quantities of food __wasted every day simply because of the young people's bad living habit.
A.were B.is C.are D.was
答
C~~~
food虽然不可数...
但是quantity是复数,所以谓语还是用复数.
根据后面的句子,所以时态是一般时~