21.This book tells life story of John Smith,who left school and worked for答案是C,为什么D不对

题目

21.This book tells life story of John Smith,who left school and worked for答案是C,为什么D不对
21.This book tells life story of John Smith,who left school and worked for a newspaper at the age of 16.A.the ; the B.a; the C.the ;/ D.a; /

答案

拜托,life story在此一生中只能有一个,冠词the在此作特指