Answer:
A) Discussion boards would be a good online community for Xochilt to join if she wants to ask questions, answer other people's questions, and discuss all aspects of photography in general. Discussion boards allow members to start new threads on various topics and engage in ongoing conversations. They offer a platform for people to share their knowledge and experience, seek advice, and receive feedback from other members. Therefore, Xochilt can benefit from joining a photography discussion board to enhance her learning and connect with other photography enthusiasts.