But his dread also that she might have diphtheria made him tell me to go on, go on though he himself was almost fainting, while the mother moved back and forth behind us raising and lowering her hands in an agony of apprehension.划线单词的中文意思是（ ）。
A、谢罪
B、态度
C、措施
D、忧虑
【正确答案】：D
【题目解析】：apprehension：n.忧虑，担心，恐惧句意：可是，因为又担心她真会患上白喉，尽管他自己就快昏倒了，他还是告诉我继续，继续，而她的母亲在我们的身后走来走去，忧愁万分地抖着双手。
