When cold air moves under warm air, a cold front forms. The steep slope of the cold front tends to suddenly push the warm air up
and create vertical clouds. Given this information, which of the following cloud types and weather conditions would most likely
result from a fast moving cold front?

A. cirrus clouds and snow

B. stratus clouds and drizzly rain

C. cumulonimbus clouds and thunderstorms

D. cumulus clouds and clear weather