When you finish reading the book you will have better understanding of life. A. a theB.

问题补充：

When you finish reading the book ,you will have better understanding of life. ,

A. a, the

B. the . a

C. /,the

D. a,/

答案：

A. a, the

B. the . a

C. /,the

(答案→)D. a,/

解析：have a better understanding of ……对……有一种更好的理解。