Mike apologized for _______ to inform her of the change in the working plan.

A．his being not able

B．him not to be able

C．his not being able

D．him to be not able

在我国房地产市场的发展中 ( )

A．土地可以有偿使用与转让

B．土地的经营权可以发生转移

C．土地的使用权可以发生转移

D．土地不能自由买卖