----Oh no. It’s 5:45 now. I have to go and pick up my daughter.-. See you tomorrow.A.

问题补充：

----Oh, no. It’s 5:45 now. I have to go and pick up my daughter.

---- . See you tomorrow.

A. Come on

B. Cheer up

C. Take care

D. Have fun

答案：

A. Come on

B. Cheer up

(答案→)C. Take care

D. Have fun

解析：考查交际用语。A加油；得了吧！B振作起来；C当心；保重；D玩得开心；句意：—不，现在是5:45.我要去接我的女儿了。—保重，明天见；take care是在两人分别的时候所说，提醒对方照顾好自己。故C正确。