They do not know _（eat）more fruit is better than eating meat.说明横线上的答案及填写的原因!

题目

They do not know _（eat）more fruit is better than eating meat.说明横线上的答案及填写的原因!

答案

英文句子要同步,后面那个eating影响前面那个eat,所以一定要ing才合理.