听力原文：M: It seems that we'll have another fine day tomorrow．Let's go to the seaside. W: OK

听力原文：M: It seems that we'll have another fine day tomorrow．Let's go to the seaside. W: OK．But we'll have to leave very early, or else we'll get caught in the traffic. Q: Why does the woman suggest going early? (2) A. Because they can back home early. B. Because they'll get caught in the traffiC. C. Because they will have a good view. D. Because the woman doesn't want to go.

The woman suggests leaving early to avoid a specific consequence mentioned in her response. When the man proposes going to the seaside, she agrees but emphasizes, "we'll have to leave very early, or else we'll get caught in the traffic." Here, "or else" directly links delaying departure to encountering traffic, making this the core reason for her suggestion.

Answer: B