John received an invitation to dinner, and with work        he gladly accepted it.

A．finished

B．finishing

C．having finished

D．was finished

创新能力要求诸要素之间的相互平衡协调，并不是（）

A、相对的平衡

B、一种动态的平衡协调

C、绝对的平衡

D、静态的平衡