【正确答案】正确答案：She felt even more lost when the director said that the child had suffered from slow growth.

【答案解析】解析：本句所在语篇为记叙文，记叙主人公送孩子到托儿所的经过。故总体时态应该用一般过去时。而前半句“院长说……”后的内容处理成了间接引语，故时态上就要用过去完成时。