请选择DCBA3@)l8K,b9B0S)[0M0b2?,v8g8S1P "Walls have ears" means______.9d'X8i0E1p:Q:O2}9d
A.墙上有洞9d'X8i0E1p:Q:O2}9d
B.隔墙有耳9d'X8i0E1p:Q:O2}9d
C.震耳欲聋9d'X8i0E1p:Q:O2}9d
D.耳聪目明9d'X8i0E1p:Q:O2}9d