The correct answer is B. A cold front is defined as the transition zone where cold air replaces warmer air. It move from northwest to southeast. The opposite of the cold front is the warm front where warmer air replaces a cold air.
In Lima, the capital of Peru, the climate is very peculiar: it is subtropical desert, with a warm season from December to April and a cool, humid and cloudy season from June to October, with May and November as transitional months.