下面图形是轴对称图形的是请选择ABCD/?6d,|/f(I,n3W'M4|1~)u1|4D8S)S(O*u9j4R3a(L/R'i9U
A.三角形9j4R3a(L/R'i9U
B.梯形9j4R3a(L/R'i9U
C.长方形9j4R3a(L/R'i9U
D.平行四边形9j4R3a(L/R'i9U