Answer: A) Quora
Step-by-step explanation:
Quora is an question and answer online site that helps students and other people by providing them answers for their raised question.It exchanges the information and answer between internet users who put up answer and questions.Websites like these permit answering facility by experts and other users apart from the official people of the company.
Other options are incorrect because Twitter is used for tweeting information,Alibaba Oculus is product of Alibaba site.M-PESA is a financial service and VR is virtual reality tool .Thus,. the correct option is option(A).