单选题 Charles: What time are you leaving?
Brown: I'm going to try to leave by 10:00.
Charles: Take care and ______.
Brown: Goodbye. Hope to see you again next year.

【正确答案】 B
【答案解析】[注释] 从对话情景判断,双方就要分手,一方要求另一方代向其父母问候。A、C、D不符合这种表达。