多项选择题

A.2191∶0∶0∶0∶9∶9∶100C∶417A
B.2191∶0∶0∶0∶9∶900∶100C∶417A
C.2191∶∶9∶9∶100C∶417A
D.2191∶∶9∶900∶100C∶417A