53. A promissory note signed by D and dated November 28, 2020 is worded as follows: "I promise to pay C the sum of P50,000 provided that if she should fail in the October 2021 CPA examinations, she shall return to me said amount." The above note gives rise to an obligation with:*

(A) suspensive condition

(B) casual condition

(C) resolutory condition

(D) all of the above

(E) none of the above

Brief explanation will do, thanks!