Answer:
The correct answer is option D. "A stationary front".
Explanation:
There are different types of front that could be formed when two or more large masses of warm air and cool air met. Among them, stationary front is the one that would cause rain showers to rain showers to continue over a particular area for several days. This type of front is formed when the masses of air that met do not have enough force to move one another, causing that the masses remain still or stationary for an undetermined period of time.
