The flooded area is in________of total neglect.The people have to live in makeshift tents under the

most appalling________.[ ]

A. a condition;  condition  

B. a condition;  conditions

C. conditions;  condition  

D. conditions;  conditions

《民法通则》第54条规定，“民事法律行为是公民或者法人设立、变更、终止民事权利和民事义务的合法行为”。
运用民法原理分析此条规定。