改革开放30年来，我国城镇居民在吃穿等基本生活支出中所占的比重不断减少，居民消费继续向文化教育、旅游、医疗保健、交通通讯、住房等方面转移。材料内容表明（     ）

①家庭消费是从低级开始逐步向较高层次递进发展的②我国城镇居民消费水平有了较大提高③随着人民生活水平的提高，生存资料的消费将被发展资料的消费所取代

④当今社会多数人已具备享受性消费的条件

A．①

B．①②

C．①②③

D．①②③④

— The weather has been very hot and dry.

— Yes. If it had rained even a drop, things would be much better now! And my vegetables _____. [ ]

A. wouldn't die

B. didn't die

C. hadn't died

D. wouldn't have died