请选择DCBA8c7K7c:a5@5T ____ a cat..K;l/`5u3A,r;z6L*r5x
A. This.K;l/`5u3A,r;z6L*r5x
B. This's.K;l/`5u3A,r;z6L*r5x
C. This is.K;l/`5u3A,r;z6L*r5x
D. That.K;l/`5u3A,r;z6L*r5x