It was stupid ____ him for help. Everyone knows that he is very mean.

A．you ask

B．for you to ask

C．of you to ask

D．of you asking

女性，28岁，剖腹产时发现左侧卵巢包块5cm×3cm×2cm，表面光滑（如图），切开内含清亮、淡黄色液体，显微镜下见囊内壁衬单层立方上皮细胞（如图），应诊断为（）

A.浆液性囊腺瘤

B.浆液性交界性囊腺瘤

C.浆液性囊腺癌

D.黏液性囊腺瘤

E.黏液性交界性囊腺瘤