Here are some of the suggestions you need your hair.
A. taking care of
B. to be taken of
C. to take care of
D. take care of
网友回答
A. taking care of
B. to be taken of
(答案→)C. to take care of
D. take care of
解析：考查不定式做目的状语：句意：这是你要保养头发需要的建议。这里用不定式做目的状语，you need是定语从句修饰suggestions，选C。