This morning I tried on some coats in the shop, but _____ of them looked good.

A．nothing

B．all

C．none

D．neither

化学除锈过程一次为（）几道工序。

A．清洗—>除油—>除锈—>中和

B．除油—>除锈—>中和—>清洗

C．除锈—>除油—>中和—>清洗

D．中和—>清洗—>除油—>除锈