Which statement best describes the weather shown by the red semicircles on a line on a weather map?

The correct answer to this question is letter "C. A stationary front may produce rainy or snowy weather for several days."

There exists the same question from other source with the following choices:

A. A warm front brings drizzly weather.

B. A cold front can cause heavy rain, thunder, and lightning.

C. A stationary front may produce rainy or snowy weather for several days.

D. An occluded front can cause light to heavy precipitation that may last several days.