请选择DCBA)J*w)w:C6|9M1I I want _______ a map of China .4X5['}+@9x'b
A. buy4X5['}+@9x'b
B. is buying4X5['}+@9x'b
C. to buy4X5['}+@9x'b
D. am buying4X5['}+@9x'b