Which of the following is appropriate for a proposal​ argument?

A. proposing that world hunger be solved by having everyone at State University skip lunch tomorrow
B.
proposing to university administrator Will Martin to rescind your parking ticket because the handicap spot you parked in was not clearly marked
C.
proposing that climate change be solved
D.
proposing that Meyers University offer a salad bar option at all dining halls to address the problem of poor food choices that lead to obesity