公共英语二级

单选题When the nurse talked to mum she thought mum was a___.

参考答案:D进入在线模考
事实细节题。从文章第一段最后一句及第二段“Yes.I’m glad they’ve finnally decided to clean them.”the nurse said.She looked at mum strangely and said.“But aren’t you working late?”得知,护士对妈妈说话时她认为妈妈是一位清洁工。