请选择ABC4v2K6_9n8\'F4B8O --- _______ kitchen is clean? ---- Mary’s.-S)J5m+[7b,A)z-L2G)c6[(x:M4r8U
A. Who’s-S)J5m+[7b,A)z-L2G)c6[(x:M4r8U
B. Whose-S)J5m+[7b,A)z-L2G)c6[(x:M4r8U
C. Who-S)J5m+[7b,A)z-L2G)c6[(x:M4r8U