请选择ABCD)a9L8B:h,T2k:q9d+\7i1B)a(`*z'| "Walls have ears" means______.5T,z,b+k(Y
A.墙上有洞5T,z,b+k(Y
B.隔墙有耳5T,z,b+k(Y
C.震耳欲聋5T,z,b+k(Y
D.耳聪目明5T,z,b+k(Y