请选择ABCD.x9K4c.D.r;RLook，the boy can _________ ．0e,P7Y-b)P:H3_-T
A．skating0e,P7Y-b)P:H3_-T
B．skate0e,P7Y-b)P:H3_-T
C．skates0e,P7Y-b)P:H3_-T
D．is skating0e,P7Y-b)P:H3_-T