轴承分为( )两大类。

A．滑动轴承和向心球轴承

B．滚动轴承和滚针轴承

C．滑动轴承和滚动轴承

D．滚动轴承和向心球轴承

Speaker A: Hello, is that Steve I’m stuck in a traffic jam. I’m afraid I can’t make it before seven o’clock.
Speaker B: （）。

A. OK, but I still hope you’ll try your best to arrive on time.

B. Yes. The traffic is very heavy because it’s the rush hour.

C. Why don’t you leave home a bit earlier

D. Never mind. I’ll be here waiting for you.