Kitting refers to:

B 

let us take one example in terms of laptop, we get different peripherals or integrated parts such as chip made in china, hard disk made in singapore, internal keypad make in other coutnry and at one point it is assembled then it is integrated and dispatched to end user that is customer.

so kitting means integration or assembling of different units or materials to form one unit which is ordered by customer or end user or retailer / distributor is called kitting.

Correct Answer 

a. Collecting items received from different suppliers and re-packing them as per a production bill of material

a. Collecting items received from different suppliers and re-packing them as per a production bill of material>>>>

my choice answer a <<<<<<<<<<<<<<<<<<<<