请选择ABCD,k0}:l4}6?1s+R+I9[-I 3E)`.C9h5C1Oa bird. *r;@'m9r6F:R0j,sname is Polly.5v,r:\5U(E1[.g'e4z-K
A．Its，Its5v,r:\5U(E1[.g'e4z-K
B．It’s，Its5v,r:\5U(E1[.g'e4z-K
C．It’s，It’s5v,r:\5U(E1[.g'e4z-K
D．Its，It’s5v,r:\5U(E1[.g'e4z-K