Final answer:
The correct option is C. Sea Turtles. Hiroyuki Arakawa has a friendship with a sea turtle, exemplifying extraordinary interspecies relationships in the ocean.
Step-by-step explanation:
The Japanese diver Hiroyuki Arakawa has a great friendship with C) Sea Turtles. This remarkable relationship highlights how humans can form unique bonds with marine life.
Contrary to the options provided such as dolphins, sharks, and giant squids, it's the gentle sea turtle that this diver has connected with, showcasing an extraordinary example of interspecies friendship. Hiroyuki Arakawa has a friendship with a sea turtle, exemplifying extraordinary interspecies relationships in the ocean.