题目内容：
茶有美白皮肤的功效，这主要与茶所含（）有关。
A.茶多酚
B.茶多糖
C.咖啡碱
D.茶氨酸
参考答案：
选择题：茶有美白皮肤的功效，这主要与茶所含（）有关。
- 题目分类：中国大学MOOC慕课
- 题目类型：选择题
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