Three of the Following Are True Statements About Intrinsic and Extrinsic

Three of the following are true statements about intrinsic and extrinsic motivation.Which one is false?

A) Reminding students of the importance of good grades will promote extrinsic rather 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) Students' intrinsic motivation to learn school subject matter tends to decrease as they get older.
D) Intrinsic and extrinsic motivation are mutually exclusive: Students who have one are highly unlikely to have the other.