单选题 lan
①Sam called about the delayed documents and ②said it would be due tomorrow. ③Please return his call. Jenny
A. lan failed in presenting the documents on time.
B. Jenny will finish the documents by tomorrow.
C. Sam asked lan to call him back.

【正确答案】 C
【答案解析】留言条中Jenny告知lan的内容为：“①Sam打电话说了关于延误的文件的事情，②告知明天可以完成。③请回电”。根据信息点2中“明天可以完成”能够推断出信息点1中提到的文件是Sam没有完成而延误的。信息点3说明lan需要给Sam回电。A项指出“lan没有按时完成文件”，与题干含义不符。B项指出“Jenny会在明天前完成文件”，与题干原意Sam会完成文件相矛盾。C项指出“Sam请lan回电”是对信息点3的解释。综上所述，正确答案为C。