请问 2004.09-SC jj-27

引用原题：

"27. L,C (一个人名) is one of the writers who turned to … materials as his topic objectives.

1. as his
   
2. for
   
3. for his
   
4. for use as
   
5. to them as use
   

答案：d,e 选项可能不是完全对，我选了B , a,c明显是错的"

怎么会是 D 呢？解释解释？