They supplied me with good living ________, so I had ________ happy experience.

A.conditions; a

B.condition; a

C.conditions; /

D.condition; /

答案及解析： A

解析：

若表示具体意义的“条件”，condition用复数，如：living conditions生活条件，working conditions工作条件；

若表示泛指的状况、情形，condition用单数。experience作“经历”讲是可数名词，作“经验”讲是不可数名词。