18. Ella needs to move her business to a larger facility. She projects a large realized gain on the sale of the old building and prefers not to pay tax on the gain because the sales proceeds are needed to finance the purchase of the new building. In the circumstances, a direct two- or three-party like-kind exchange is not feasible. Ella's sale can still qualify for like-kind treatment if she arranges an appropriate nonsimultaneous exchange. Among other criteria, after the transfer of the old building, the replacement property must be

A) identified within 45 days and received by year-end.

B) identified within 45 days and received within 180 days.

C) identified within 60 days and received within 180 days.

D) identified within 90 days and received by year-end.