Three of the Following Are True Statements About Intrinsic And/or

Three of the following are true statements about intrinsic and/or extrinsic motivation in instructional settings. Which one is false?

A) Reminding students of how important good grades are will promote extrinsic motivation more than intrinsic motivation.
B) Compared to students who are extrinsically motivated, students who are intrinsically motivated are more likely to learn classroom material in meaningful and effective ways.
C) Extrinsically motivated students may sometimes exert only the minimal effort needed to complete classroom assignments.
D) Intrinsic and extrinsic motivation are mutually exclusive: Students who have one are highly unlikely to have the other.