--Was the driving pleasant when you vocationed in Mexico last summer?

----No, it ___ for four days when we arrived, so that the roads were very muddy.

A．was raining

B．had been raining

C．would be raining

D．have rained

某石棉纺织厂女工，45岁，接触石棉尘工龄25年，X线胸片表现有总体密集度为3级的小阴影，分布范围超过4个肺区，心缘因胸膜增厚而显模糊呈"蓬发状心"。应诊断为（）

A.Ⅰ期

B.Ⅰ+期

C.Ⅱ期

D.Ⅲ期

E.Ⅲ+期