请选择CBA3x9r+G4U,x2s0R2y You can buy many things __________ the supermarket.4C.N8o0Y)]/G1{(C(X/d
A. at4C.N8o0Y)]/G1{(C(X/d
B. on4C.N8o0Y)]/G1{(C(X/d
C. to4C.N8o0Y)]/G1{(C(X/d