补全对话。（5%）

A: Hi, Tina. How was your vacation?

B:        小题1:            .

A: Did you go to the zoo?

B:       小题2:            . But I went to the aquarium.

A:       小题3:             ?

B: No, there weren’t any sharks, but there were some really clever seals.

A:         小题4:             . What else did you do?

B: Well,       小题5:              .

患者女性，30岁。因“头痛6个月，加重伴走路不稳3天”来诊。MRI示4脑室底占位性病变，强化明显，幕上脑室扩张明显。术后病理示室管膜瘤，细胞型，WHOⅡ级。

对于该患者，首选的治疗方案是（）

A.手术切除肿瘤

B.神经内镜肿瘤活检

C.放射治疗

D.药物化疗

E.生物治疗