Solar terms and flagpole shadow

The Mediterranean coast is a Mediterranean climate zone, which is characterized by hot and dry summer and mild and rainy winter. The main recharge way of rivers is rainwater, and the water quantity of rivers is directly proportional to the precipitation. The midpoint of the picture is 65438+ 10 month, when the Mediterranean coast is in winter, the climate is mild and rainy, and the river water volume is the largest.

Therefore, choose: B.