This is a test of commonsense with single/multi-choices. Complete the next sentence:

How to trace a money order
Be sure that you have the proper receipt.
In order to track your money order, you'll have to have the correct receipt; that is, you'll need the one with the serial number or receipt number of the money order on it. For usps money orders, this will be the stub on the side of the order.

Choose from:
[A]. As of 2010, you cannot trace a money order on-site. You will need a photo id and a certified copy of the money order that includes the usps stamped name on it.
[B]. In order to trace the transaction, you'll have to make a copy of it for your records. Write out the date, the ink color, the signature, and the serial number on the receipt.
[C]. For western union orders, this will be the bottom portion. Some resellers (convenience stores, supermarkets, etc.
[D]. The stub will usually look something like : " 0004. Copy copy * 005, powder _ 100 \ dat _ 0x10 ".
The answer is:
[C].