was a car invented _____ march 4,1876?a on b in c at d of

was a car invented _____ march 4,1876?a on b in c at d of
was a car invented _____ march 4,1876?
a on b in c at d of

was a car invented _____ march 4,1876?a on b in c at d of
march 4,1876为具体某一天,表示在具体某一天介词用on
综上,选a