Which of the Following Is True of Priority of Claims

Which of the following is true of priority of claims?

A) If two or more secured parties claim an interest in the same collateral but only one has perfected his or her security interest, the perfected security interest has priority.
B) Although one of the parties to claim an interest in the collateral has perfected his or her security interest, all the parties are given fair and equal priority over the collateral.
C) If two or more secured parties claim an interest in the same collateral but neither has a perfected claim, they are given equal priority irrespective of attachments.
D) If two or more secured parties claim an interest in the same collateral but neither has a perfected claim, the first to claim has priority.