Answer:
I have deduced that the answer is C) "The crust in Item A is found partially below sea level as compared to the crust in Item B."
Step-by-step explanation:
This is because the crust in picture A has its crust slightly underneath sea level compared to picture B. I'd get more in-depth, but, I'm a bit too lazy. I believe this is to be learnt about in the future anyhow.(I believe)