Many grocery stores use misting, a process vegetables are sprayed with water, to keep vegetable fresh.
A. which
B. that
C. what
D. where
网友回答
A. which
B. that
C. what
(答案→)D. where
解析：考查定语从句：先行词是a process，定语从句中缺少地点状语，用where引导定语从句，句意：很多商店使用喷雾的方法，是用水喷洒蔬菜使蔬菜保鲜的过程。选D。