In conclusion, dolphins need open space because at sea, dolphins are always on the move, often traveling hundreds, sometimes thousands of miles. Their large brains likely help them to succeed in foraging on widely scattered and temporarily available resources. Dolphins, like some other animals, are essentially complex social mammals that need expansive space to live in. A tank can’t even begin to address these needs…
Answer:
Desde el punto de vista lingüístico, la diferencia más visible entre las dos palabras tiene que ver con el lugar desde donde parte la acción. El compromiso se origina en el interior, emana desde donde antes no existía, y la obligación se impone desde fuera.
I believe the answer is C) the author provides a personal example and a reference to a movie to support his idea