Answer :
Humid subtropical is the type of climate that most of eastern China have. The correct option among all the options that are given in the question is the second option or option "B". Humid subtropical climate typically has a hot and humid summer with cool to mild winters. I hope the answer comes to your help.
The right option is; B. humid subtropical
Most of eastern China have humid subtropical climate.
Humid subtropical climate is a climate known for hot and humid summers, and mild to chilly winters throughout the year. Humid subtropical climate is usually found on the southeast part of all continents, mainly between latitudes 25° and 35°. This climate also extends inland, particularly in China and the United States. Evergreen trees, shrubs, and bushes, are the main natural vegetation that can be found in Humid Subtropical areas.