请选择ABC,B-|;d6~;`.h/[3g3D —Who are your parents talking ____________?;I(U3m,D+Y)z)~7e2C*J6|,C;H7|
—I don’t know.;I(U3m,D+Y)z)~7e2C*J6|,C;H7|
A. for;I(U3m,D+Y)z)~7e2C*J6|,C;H7|
B. to;I(U3m,D+Y)z)~7e2C*J6|,C;H7|
C. on;I(U3m,D+Y)z)~7e2C*J6|,C;H7|