What Is the Main Reason That the Oceans Play a Larger

What is the main reason that the oceans play a larger role than land masses in determining the temperature of air masses?

A) The ocean holds its temperature longer than land masses.
B) The ocean currents are constantly moving while land masses are stationary.
C) The ocean is flat while land masses have topographical features to break up air patterns.
D) The ocean currents move in a circular pattern while land masses are stationary.