Answer:
D. December 31, 2016.
Explanation:
Fenwick company had retail building which was destroyed on August 22, hurricane. The hurricane was so intense that complete building was damaged. The building already had an insurance policy due to which the fair value of the building is reimbursed. Fenwick can claim the fair value of the building from an insurance company. If he replaces the building with qualifying building on the date he gets the insurance claim he will not be required to record gain of the transaction.