Answer:
C
Explanation:
A is just contradictory to the question, it says they look different but A says its because his folder window isn't on which is unrelated.
The address bar being off doesn't make a big difference like one of the other options
This must be correct as its the most major difference as in the different viewing types the folder windows look significant different and are layed out differently
Them not sharing files is irrelevant to the question
The answer is C
