未知题型 听力原文：M: Helen isn't here yet. Did you forget to invite her?W: She was going to come, but then she changed her minD.Why isn't Helen present?A.She decided not to comE.B.She forgot to comE.C.She wasn't inviteD.D.She altered her decision.

未知题型 P2P行业发展迅猛的表现和原因是（）。

单项选择题 P2P网贷平台模式就是指连接借款人和投资者的中介，通过平台进行资金借、贷双方的匹配。