Which of the Following Is a Difference Between Component Parts

Which of the following is a difference between component parts inventories and work-in-process inventories?

A) Unlike component parts inventories, work-in-process inventories include goods that are sent to distribution centers.
B) Raw materials are fabricated or processed into component parts inventories, whereas work-in-process inventories are a result of the assembly of component parts.
C) The process involved in creating work-in-process inventories is also known as initial assembly, whereas the process involved in creating component parts inventories is also known as final assembly.
D) Unlike component parts inventories, work-in-process inventories can be purchased from vendors.