Before I started high school, I used to spend a lot of time _____ games with my friends.

A．play

B．plays

C．playing

D．played

患者，女性，65岁。无痛性黄疸3周。行剖腹探查发现肝脏右叶一直径1cm的质硬结节，胆总管明显增粗，胰头部可触及质硬肿物，包绕肠系膜上静脉浸润性生长。术中应行术式是（）。

A.关腹

B.胆总管切开+T形管引流术

C.胰腺肿块切除术

D.胆管空肠吻合术

E.胰十二指肠切除术