At the Gym 

Helen really likes sports and she's a __________ of a gym in the city.
	client member customer partner

Helen really likes sports and she's a _____ of a gym in the city.

a. client

b. member

c. customer

d. partner

解析：

a.Client 是用户或者客户的意思

b.正确答案。Member 就是会员的意思

c.Customer 是消费者的意思。

d.Partner 是伙伴的意思。