一道英语选择

问题描述:

一道英语选择
Can you please spend _____ explaining it _____ us?A.sometimes; to B.some time; to C.some times; for D.sometime; for

sometimes 频度副词,有时 some time 一点时间或将来的某个时候
explain sth.to sb.向某人解释什么
所以选B