—John is in a bad mood these days. Do you know why?

—His grandfather has just passed away. Let’s try to _______.

A．bring him up

B．wake him up

C．cheer him up

D．give him up

组成十二指肠液的是（）

A.十二指肠分泌液

B.胰外分泌液和胆汁

C.胆汁和十二指肠分泌液

D.胰外分泌液、胆汁和十二指肠分泌液

E.胰外分泌液、胆汁、十二指肠分泌液和胃液