请选择ABCD5S8A2|,R6N,_'K/_+J:M+X—______That young lady？-M.i3|.l.?:K+t5A2j
—She’s our principal.-M.i3|.l.?:K+t5A2j
A. Who’s-M.i3|.l.?:K+t5A2j
B. Whose-M.i3|.l.?:K+t5A2j
C. Who-M.i3|.l.?:K+t5A2j
D. Whose-M.i3|.l.?:K+t5A2j