a sportsman is a hard job but you are very excited if you are successful in a good medal

问题补充：

a sportsman is a hard job, but you are very excited if you are successful in a good medal.

A. To be, get

B. Being, getting

C. Being, to get

D. To be, to get

答案：

A. To be, get

(答案→)B. Being, getting

C. Being, to get

D. To be, to get

解析：句意:做运动员是一个艰难的工作，但是如果你成功的获得了奖牌，你会非常兴奋的。第一个空是用动词的-ing形式在句中做主语；动词不定式也可以做主语，但经常表示将来的动作；第二空前有一个短语be successful in，做某事成功，短语中in 是介词，后应跟动词的ing形式。故选B。