Which one of the following pairs of properties of typical air masses is correct? [NDA/NA 2015-II]

• A. Air Mass Source Region Maritime Equatorial Warm oceans in the equatorial zone
• B. Air Mass Source Region Maritime Polar Warm oceans in the tropical zone
• C. Air Mass Source Region Continental Tropical Less warm oceans in the tropical zone
• D. Air Mass Source Region Continental Polar Moist oceans in the polar zone