Pick the word which best completes the sentence.

Question

The dark ____ cloud was a sure sign that it was doing to storm.
a.
cumulus
c.
stratus
b.
cumulonimbus
d.
cirrus


Please select the best answer from the choices provided

A
B
C
D

Answer 1

The best answer is: B. cumulonimbus.

Cumulonimbus clouds are typically associated with thunderstorms and heavy precipitation, making them a sure sign that a storm is coming.