Though       to a higher position, she still didn’t content herself. [ ]

A.promoting

B.being promoted

C.having promoted

D.promoted

当采用支付利息或协议还款这两种还款方式时，提前还款后的重算方式可以选择（）。

A、减少还款金额，期数不变

B、减少还款期数，金额不变

C、不重算

D、都可以