Florence Borrows $1,500 from Fremont,leaving Her Gold Necklace with Fremont

Florence borrows $1,500 from Fremont,leaving her gold necklace with Fremont as collateral.Two weeks earlier,Florence had borrowed $1,000 from Corner Bank.Florence signed a security agreement and a financing statement giving Corner Bank a security interest in the same gold necklace.The financing statement is filed in the appropriate location.If Florence defaults on both loans,which creditor has the superior rights to the necklace?

A) Fremont,because his loan was the first to attach.
B) Fremont,because possession takes priority over filing.
C) Corner Bank,because Fremont did not perfect his interest.
D) Corner Bank,because Fremont did not have a written security agreement.