In flight, pilots find forane clouds consisting of cloud bar and cloud band with flat floor and piled clouds on the top of some clouds. The descriptive cloud should be（ ）.
A.cumulus congestus
B.cumulostratus
C.towering clouds
正确答案是C
In flight, pilots find forane clouds consisting of cloud bar and cloud band with flat floor and piled clouds on the top of some clouds. The descriptive cloud should be（ ）.
A.cumulus congestus
B.cumulostratus
C.towering clouds
正确答案是C