所谓社会主义初级阶段，就是 [ ]

A．社会主义制度刚刚建立的时期 

B．比较发达阶段 

C．不发达阶段 

D．小康社会 

.After staying in room for weeks, the lady was advised to go to the outside world to _____ her confidence as well as health.

A．take up

B．make up

C．carry up

D．pick up