The students should ________ to choose their own clothes. It will be a good way _____ themselves happy.

A．allow, to keep

B．allowed, keeping

C．be allow, keeping

D．be allowed, to keep

甲午战争后，中 * * 危机的加深引发了一场自上而下的改革。这场改革的积极作用在于[ ]

A．起了思想启蒙的作用

B．提高了行政效率

C．增强了近代国防力量

D．摧毁了顽固派的力量