Which exit of the southwest corner subway is closest to ridley?

I checked and sent two maps, one is the route after getting off at the subway station, the black one is on foot, which should be from exit B, and the other is the route from Ridley to the southwest corner subway.

Southwest corner station * * * has four exits, and the exits and surrounding facilities are as follows:

Answer? -? Nanmen Hospital and Southwest Corner Middle School.

b？ -? Vian Li Nan and Vian Beili?

c？ -? Hsi Chin Hotel, Tianjin Shopping Mall, Huairenli and Tianjin Rehabilitation Center for Disabled Children?

d？ -? Oriental commercial building, clothing street, post and telecommunications apartment