I don't go to school ( )bus,I usually go to school ( )my fat

I don't go to school ( )bus,I usually go to school ( )my father's car A.by,in B.by,by C.on,in D.inI don't go to school ( )bus,I usually go to school ( )my father's car A.by,in B.by,by C.on,in D.in,in