What does this sign mean?

a. Be careful to avoid getting stuck in wet weather

b. Be careful to avoid skidding in any weather

c. Be careful to avoid skidding in wet weather

c. Be careful to avoid skidding in wet weather

Explanation:

This sign and symbols are given by the department of the transportation by the government of the united states and it represents a yellow background that is marked by the car that appears to be skidding on the water or wet surface and thus shows that care should be taken to protect the vehicles form getting skidded.