— Tom, could you go to the supermarket with me?

— I’d like to, but my homework ______ and I have to hand it in tomorrow.

A．wasn’t finished

B．won’t be finished

C．hasn’t been finished

D．hadn’t been finished

左手伪装笔迹中容易引起变化的笔迹特征是（）。

A.运笔特征

B.笔顺特征

C.笔痕特征

D.写法特征