Don’t phone me between 7:00 and 8:00 in the evening. We _____ dinner then.

A．are having

B．had

C．would have

D．will be having

（）的煤，不但着火迅速，燃烧稳定，而且也易于燃烧完全。

A、挥发分含量高

B、焦结性强

C、灰熔点温度低

D、低位发热量高