可以由当事人协商解决的是（）
A.财产关系
B.财产赔偿
C.民事责任
D.行政责任
E.刑事责任
参考答案：C
By the time he went to the shop, all the clothes _____. [ ]
A. sold out
B. had sold out
C. had been sold out
细菌引起感染的能力称（），其强弱程度称（）
