请选择ABC.S2Y4S+`*s;m:i+}—Who are your parents talking ____________?:M2B8w5e;_0J4])K:t,y;H
—I don’t know.:M2B8w5e;_0J4])K:t,y;H
A. for:M2B8w5e;_0J4])K:t,y;H
B. to:M2B8w5e;_0J4])K:t,y;H
C. on:M2B8w5e;_0J4])K:t,y;H