Context: Bottlenose dolphins live in the Atlantic, Pacific, and Indian Oceans. They live underwater, but come to the surface to breathe air.
The  has flippers for limbs. Its limbs are adapted for swimming.
Figure: bottlenose dolphin.
Which animal's limbs are also adapted for swimming?
A. gerenuk
B. harbor seal
Select the correct answer from the given choices and respond with the letter of the chosen option.

B