—The sweater is very nice. I’ll take it.

—But you’d better ________ first. I think it is a little large for you.

A．pay for it

B．put it on

C．put it off

D．try it on

等级IXLC在已实现列车定位和有效的ITC移动授权条件下可转换到（）。

A.CTC

B.ITC

C.IXL

D.RM