请选择CBA-w4I*A1m(i7a*}(K(A:V){._4g)b Gao Shan often goes with his friends.9W5b;G0]9e7u0C
A. climb9W5b;G0]9e7u0C
B. climbs9W5b;G0]9e7u0C
C. climbing9W5b;G0]9e7u0C