---How can I get to the wooden tower? ------There are two paths here and I hear of

问题补充：

-----How can I get to the wooden tower?

------There are two paths here and , I hear , of them leads to it.

A. all

B. both

C. either

D. none

答案：

A. all

B. both

(答案→)C. either

D. none

解析：A. all三者以上都，B. both两者都，C. either两者中任何一个，D. none 三者以上都不，句意：--我怎么能到达木塔？--这里有两条路，我听说，任何一个都能达到。因为是两条路，所以排除AD，还有因为用了leads，所以排除只能选C。