Read the following sentence from the passage.

On April 12, 1981, Columbia, as white as snow, launched its first mission, STS-1.

How does the underlined phrase add to the information presented in the passage?
A.
It compares the icy temperature of the shuttle to snow.
B.
It helps describe the weather the day of the launch.
C.
It describes the brightness and newness of the space shuttle.
D.
It explains how the shuttle will fly through the air like snow.
HELP ASAP