WHAT DOES THE LAST SENTENCE OF PARAGRAPH 5 MEAN

Câu 47: What does the last sentence of paragraph 5 mean? A. After you have a membership, you can use a bike at any time. B. It is very hard to get a membership. C. If you have a membership, you can use a bike but only during the day. D. If you don’t have a membership, you can still use a bike.