请选择CBA0C'q;x)^,L1AWho are they talking ______?:J1Z7P;y;d2`(?,h3l7`:]
A.to:J1Z7P;y;d2`(?,h3l7`:]
B.about:J1Z7P;y;d2`(?,h3l7`:]
C.of:J1Z7P;y;d2`(?,h3l7`:]