A "Perfected" Security Interest

A "perfected" security interest:

A) protects the creditor's security interest in collateral against other creditors of the debtor.
B) becomes effective even when the creditor does not give anything of value to the debtor.
C) gives the creditor protection against other creditors of the collateral but not against other purchasers of the collateral.
D) does not provide the creditor rights vis-à-vis the debtor.