题目内容：
The infectious stage of Fasciola hepatica is （）
A.Egg
B.Cercaria
C.Trophozoite
D.Metacercariae
参考答案：
选择题：The infectious stage of Fasciola hepatica is （）
- 题目分类：中国大学MOOC慕课
- 题目类型：选择题
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