How do you read the number “3,054,003”?

A．three million, and fifty-four thousands, three

B．three million, and fifty-four thousand and three.

C．three million, fifty-four thousand, three.

D．three million, fifty-four thousand and three.

在（）的情况下，主机遥控系统可以在驾驶台实施主机起动操作。

A.盘车机未脱开

B.有故障停车信号

C.滑油压力过低

D.油中含水