Cubicles don't have doors, so how should you handle it when you want to enter a co-worker's space and you aren't sure if they are busy or not?
A.
Knock on the outside of the cubicle, but only if they don't look busy
B.
Holler over the cubicle and ask if they have time for you now
C.
Stand outside their cubicle space and wait until they have time
D.
Go in and sit down; one of the benefits of cubicles is their lack of formality