I ______ a flu when I was on a spring outing with my classmates.

A．caught up

B．picked up

C．took up

D．brought up

"想吃糖，又怕胖"，这种动机冲突是（）

A.双趋冲突

B.双避冲突

C.趋避冲突

D.双重趋避冲突

E.双趋双避冲突