please help me!! i have been stuck on this for 15 minutes!

options in the dropdown boxes:
a.) leads to the formation of underwater ridges or mountains.
b.) causes plates to grind together, which results in earthquakes.
c.) leads to the formation of ocean trenches and mountain ranges.

please help me i have been stuck on this for 15 minutes options in the dropdown boxes a leads to the formation of underwater ridges or mountains b causes plates class=