-Which club would you like to join art club or basketball? is OK. I’m good at them

问题补充：

---Which club would you like to join, art club or basketball?

--- is OK. I’m good at them.

A. Neither

B. Either

C. Both

D. All

答案：

A. Neither

(答案→)B. Either

C. Both

D. All

解析：根据上文中有两种球，可排除D，而both作主语相当于复数，可排除C，再根据后文I’m good at them，可知答案为B