four.

According to Baidu Encyclopedia, the four exits of Wansheng West Station of Beijing Metro Line 7 are located on both sides of Longquan Hutong, corresponding to Exit A, Exit B, Exit C and Exit D respectively. Among them, entrance A is located on the west side of Longquan Hutong, entrance B is located on the east side of Longquan Hutong, and entrance C and entrance D are located on the north and south sides of Longquan Hutong respectively.

Wansheng West Station is a station on the east extension of Beijing Metro Line 7, which is located on the east side of the intersection of Wansheng South Street and Tongma Road in Tongzhou District, hence its name because it is located on the west side of Wansheng Community.