Respuesta :
Considering the available options, the statement that is not true about Mark Hanna is "He was William Jennings Bryan's running mate in the election of 1896."
This is because it was Mark Hanna that sponsored the candidacy of William McKinley against William Jennings Bryan in 1896.
Mark Hanna later became the United States Senator representing Ohio till his death in 1904.
He was a member of the Republican party.
Hence, in this case, it is concluded that the correct answer is option D. "He was William Jennings Bryan's running mate in the election of 1896."
Learn more here: https://brainly.com/question/6075526