If the ground weather in a certain area is short at a certain time, read and answer the following questions 2-5. The high pressure center shown in is located in () A, Asia B, Pacific C and Australia.

According to the dense isobar in the precipitation area and the place near the anticyclone center in the figure, the cold air mass is strong, and the front formed is a cold front, which is winter in the northern hemisphere. According to the latitude and longitude, it can be judged that the high pressure center shown in the figure is located in Asia, which is the Mongolian-Siberian high.

So choose: a.