请选择DCBA8?8j*m7_1YThe small children don't know _________.8\7z9|9I3}
A. what is their stockings in8\7z9|9I3}
B. what is in their stockings8\7z9|9I3}
C. where is their stockings in8\7z9|9I3}
D. what in their stockings8\7z9|9I3}