Your answer was C
Correct!
Ron has described desks by what they can see.
Rob is being monitored by both Linda and Mateo.
The desk Linda would have her eyes on would be B, just outside her office window. Rob is at desk B.
Yourself and Ron are placed furthest away from Linda.
Meaning Mateo is placed in D, just next to Rob.
Ron says he has line of sight into the coffee room were the snacks would be. Meaning he is best placed in A.
Leaving you and your desk at C.
The fourth part of the Case Code is: O