下列句子中词类活用现象相同的一项是

A．今 * * 外托服从之名而内怀犹豫之计为汉家除残去秽

B．假舟楫者非能水也孙讨虏聪明仁惠，敬贤礼士

C．越国以鄙远，君知其难也今不速往，恐为操所先

D．君子博学而日参省乎己故兵法忌之，曰“必蹶上 * * ”。

--Simon , I hear you are going abroad for further study. Have you decided ___ ?

--Next September .

A．when leaving

B．when to leave

C．where to go

D．how to get there