Tom was very angry about ________ to Mary’s birthday party.

A．not inviting

B．being not invited

C．not being invited

D．not to be invited

容积式流量计具有如下特点：测量精度高，积算精度可达±（）；测量精度受流体密度、粘度、温度、压力和流态的影响较小，适宜于测量高粘度流体。

A.0.Ol%～0.05%

B.0.05%～0.1%

C.0.1%～0.5%

D.0.5%～1%