—What do you think of the book?—Oh excellent.It’s well worth time.A. reading a secondB.

问题补充：

—What do you think of the book?

—Oh，excellent.It’s well worth time.

A. reading a second

B. reading the second

C. to read a second

D. to read the second

答案：

(答案→)A. reading a second

B. reading the second

C. to read a second

D. to read the second

解析：be well worth reading为很值得读，be worth后不能用不定式，也不能用被动语态。序数词与不定冠词a连用，表示“又一，再一”。