I found it very difficult to get ________up so early before, but I did finally_________.

A．used to getting； managed

B．accustomed to getting；manage

C．used to get； managed

D．accustomed to get； to manage

下列分离提纯方法不正确的是                                                                （   ）

A．分离KNO₃的氯化钠，常用结晶与重结晶

B．提纯含有碘单质的食盐，常用升华法

C．除去乙酸乙酯中的乙酸，可加入NaOH溶液后分液

D．分离苯和酸性高锰酸钾溶液可用分液法