Choose the best reordered sentences.Câu hỏi People / our / up / online / can / to / member / a / sign / of / become / charity / organisation. A. People can sign up online to become a member of our charity organisation. B. People can become online to sign up a member of our charity organisation. C. People sign up online to can become a member of our charity organisation. D. Our charity organisation people can sign up online to become a member of.