问题
单项选择题
Processed food and food （）contains chemicals and preservatives should be avoided.
A.when
B.where
C.which
D.who
答案
参考答案：C
搜题请搜索小程序“爱下问搜题”
Processed food and food （）contains chemicals and preservatives should be avoided.
A.when
B.where
C.which
D.who
参考答案：C