请选择DCBA)w8x'N1p,e-w1g.S4j)cI want ______ a map of China..l;Y6H2N.v,?2L/[
A.buy.l;Y6H2N.v,?2L/[
B.is buying.l;Y6H2N.v,?2L/[
C.to buy.l;Y6H2N.v,?2L/[
D.am buying.l;Y6H2N.v,?2L/[