如图,已知∠MOQ是直角,∠QON是锐角,OR平分∠QON,OP平分∠MON,则∠POR的度数为( )
A:.45°+12∠QON
B:60°
C:12∠QON
D:45°
—She's my sister.
—Did you join them?
—All the people of Jiangyin need to work together to make our city more beautiful.
—That's it. _______.