On July 3, 2018, Cynthia Receives a Gift of a Collection

On July 3, 2018, Cynthia receives a gift of a collection of books valued at $10,000. The books have an adjusted basis of $6,000 to the donor. They had been purchased in 2006. Several months after receiving the gift, Cynthia sells the books to a professional collector for $9,000. How is Cynthia's holding period for the books determined?

A) It depends on whether a gift tax was paid at the time of the gift.
B) It begins in 2006.
C) It begins in 2018.
D) It is irrelevant because the transfer was a gift. Gifts are always considered to be held long-term.