----Mike, these are my friends, Dale and Eric.

----___________

A. What’s your name?        

B. Nice to meet you!

C. How are you?

下列哪项不属于生殖细胞肿瘤（）。

A.内胚窦瘤

B.睾丸母细胞瘤

C.畸胎瘤

D.无性细胞瘤

E.皮样囊肿