产妇，29岁，产后14天出现弛张热，下腹疼痛并压痛明显，下肢肿胀、疼痛，皮肤紧张发白，应诊断为（）。

A.血栓性静脉炎

B.急性盆腔结缔组织炎

C.急性腹膜炎

D.产后关节炎

E.子宫肌炎

---Are you still going to Shanghai for the Spring Festival?

---Yes, but I really     because I have a lot of things to deal with.

A．can’t

B．mustn’t

C．won’t

D．shouldn’t