单项选择题Leonardo Da Vinci’s representative work __________ is actually an illustration of the architectural concept of human proportion. A. Mona Lisa B. Vitruvius Man C. Three Wise Men D. The Last Supper
多项选择题中老年顾客的消费心理与行为特征有 A、追求时髦 B、追求美观 C、理性 D、喜欢炫耀,自尊心强 E、计划性强