请选择ABCD0j2{3k9T+h6G;I8E1@1o4c7J7LLook! The cat is _______.*I(U(D;^.J/Y
A. walk*I(U(D;^.J/Y
B. run*I(U(D;^.J/Y
C. ran*I(U(D;^.J/Y
D. running*I(U(D;^.J/Y