请选择DCBA6z6F'S's'_*d'i6E;]Are they your ________?7c7O(~5X4@:}:x.E:W0^-h5H
A. father7c7O(~5X4@:}:x.E:W0^-h5H
B. mother7c7O(~5X4@:}:x.E:W0^-h5H
C. parent7c7O(~5X4@:}:x.E:W0^-h5H
D. parents7c7O(~5X4@:}:x.E:W0^-h5H