Children may keep healthy ______ too much fast food.

问题描述:

Children may keep healthy ______ too much fast food.
A. with eating B. with no eating
C. by eating D. by not eating
which one?

D by not eating By指“用某种方法”或“用某种手段”.
孩子们不吃过多的快餐便可以保持身体健康.