Who Believed That People Had Transactional,precautionary,and Speculative Motives for Holding

Who believed that people had transactional,precautionary,and speculative motives for holding money?

A) John Maynard Keynes and the classical economists
B) Neither John Maynard Keynes nor the classical economists
C) The classical economists,but not John Maynard Keynes
D) John Maynard Keynes,but not the classical economists