请选择DCBA0I7]+v8N.m,V'E-f1s(P7Q Many people keep dogs as pets because dogs are regarded as _________ friends to people.3N'k8u/w'g;I)M4E3J
A.lonely3N'k8u/w'g;I)M4E3J
B.only3N'k8u/w'g;I)M4E3J
C.loyal3N'k8u/w'g;I)M4E3J
D.fair3N'k8u/w'g;I)M4E3J