What causes coastal regions to have a narrower temperature than regions that are farther inland?

A - Clouds warm and cool much more slowly than land or water, insulating the land on the costs.

B - Air warms and cools much more slowly than water or land, insulating the land on the coasts.

C - Water warms and cools much more slowly than land or air, insulating the land on the coasts.

D - Land warms and cools much more slowly than water or air, insulating the land on the coasts.