一道语法题

zwjb828

Researchers have questioned the use of costly and experimental diagnostic test to identify good allergies,such as milk,that supposedly disrupt normal behavior.
(A) to identify good allergies, such as
(B) to identify good allergies, like
(C) to identify good allergies,such as to
(D)for identifying food allergies, like that of
(E)for identifying food allergies, such as of
其实想选A的，但是答案是C，能解释一下吗?
多谢各位~~~

云南

allergy to sth,对什么过敏，such as to milk,省略了allergies to

zwjb828

感谢楼上...

zhangbutan

如果选A，那么就是对 “过敏”进行列举时，接着用such as 引导了具体例子milk，不合逻辑意思

zwjb828

感谢楼上，原来是这样...