![](https://cos-cdn.shuashuati.com/pipixue-web/2020-1231-2005-12/ti_inject-812ce.png)
What did the pilot do with the plane after it took off?
A.
He quickly climbed and then stopped the engines.
B.
He climbed and then made the plane fall slowly.
C.
He took off normally and then cut the engines for 20 seconds.
D.
He climbed and then made the plane turn over.