Respuesta :
A.Their hearts beat a little faster. An island could mean freshwater, It might mean food, maybe shelter.
The other sentences don't make sense... why would you get excited about being cold/dying, or being scared, or having no materials. A is the only sentence that builds excitement, little by little.
The other sentences don't make sense... why would you get excited about being cold/dying, or being scared, or having no materials. A is the only sentence that builds excitement, little by little.