单项选择题
A． some B．none C．any D．neither
A．Because they are concerned about environment protection. B．Because they want to save money to buy a greenhouse. C．Because they want to improve their physical health. D．Because they are too young to afford cars.
A．Its members should pay for registration B．It was created for a particular purpose C．Its members can share different hobbies D．It was started by a group of citizens