This morning he rose very early, and what should he do but take it into his head to wash down the stairs
选项：

A: 今天他一大早起身，预备做点什么呢?竟突然想到要冲洗楼梯。
B: 今天早晨他起得早。除了想到冲刷楼梯他还应该做点什么呢?
C: 今天早上他起床很早。他想到冲刷一下楼梯吧，要么还做什么?