The weather forecast says that there is a weak cold air from the north moving south, and there will be a light rain in Zhangzhou area. The reason why the meteorological observatory said this is ( ) A. wander

"Recently, there is a weak cold air from the north passing through the local area and heading south, and there will be a light rain in the Zhangzhou area." This is mainly because there is a large amount of water vapor hovering over the Zhangzhou area. When it encounters the cold air, it liquefies and forms rain. Therefore, B, C, and D are wrong.

So choose A.