The best response to the question about the differences between the challenges that Alyssa and Juliet face is:
Alyssa has to decide who she wants to be with, Reid or Austin, while Juliet does not face a similar decision.
This response accurately reflects the conflict and choices presented in the passage about Alyssa, while also pointing out that Juliet's situation is different, as her choice is more constrained by familial obligations and societal expectations.