Orange Bank Was Going to Lend Fasgo Inc $1 Million

Orange Bank was going to lend Fasgo Inc $1 million.As security for the repayment of the loan,Fasgo was going to give Orange Bank a general security interest in all its present and future assets.The parties have decided that the agreements will be signed and the financing will be completed on Friday.Orange Bank should file a financing statement to register its interest a few days before the completion of the transaction because

A) it will save time at the completion of the transaction on Friday if the filing is done ahead of time.
B) the filing will perfect the security interest of Orange and it is in the bank's interest to perfect its interest as soon as possible.
C) the filing will prevent any other person from obtaining a security interest in the assets of Fasgo.
D) once the financing transaction is completed on Friday,the priority of the bank's security interest will be determined by reference to the date of the filing.
E) Fasgo will be bound to give the security when the filing is made.