请选择ABCD-|)N3o/@'o1r/Z,q8c6g8J The Walkman is in ________ Su Hai’s pocket．:Y9^'x2L)^0n(?
A．the:Y9^'x2L)^0n(?
B．／:Y9^'x2L)^0n(?
C．a:Y9^'x2L)^0n(?
D．that:Y9^'x2L)^0n(?