Witness Testifies That "On January 2nd, the Defendant Said to Me

Witness testifies that "on January 2nd, the defendant said to me, 'Yesterday, I was at the city park.'" Which of the following statements is not correct?

A) If this statement is offered to prove that the defendant was at the city park on January 1st, then it is hearsay.
B) If it is being offered to show that the defendant had spoken to the witness on January 2nd, then it is not hearsay because it is not being offered to prove the truth of what the defendant said.
C) If it is being offered to show that the defendant had spoken to the witness on January 2nd, then it is hearsay because it is being offered to prove the truth of what the defendant said.