What is the most efficient procedure for using an HP flow automatic document feeder to scan multiple sizes of media into the same document file?

What is the most efficient procedure for using an HP flow automatic document feeder to scan multiple sizes of media into the same document file?
A . Tape the smaller pages onto blank pages of the largest size, and scan them all at the same time.
B. Separate the pages of the original into stacks of each media type, and use the job build feature to scan and reassemble the document.
C. Scan and copy the smaller pages onto media that is the size of the largest pages, and then load the copies with the larger pages to scan them into a single job.
D. Load all pages into the tray in the original order, and scan them all in the same job.

Answer: D