单项选择题

The engine didn't stop because the fuel was finished.

A.引擎不是因为燃料耗尽而停止运转。
B.引擎停止运转是因为燃料耗尽。
C.引擎不是因燃料结束而停止运转。
D.引擎不停是因为燃料已经被结束。