How many bike sharing companies signed an agreement with the National Development and Reform Commission (国家发改委) and the National Information Center (国家信息中心) on April 27th, 2017, authorizing the sharing of user data. A.10 B.8 C.11 D.9

How many bike sharing companies signed an agreement with the National Development and Reform Commission (国家发改委) and the National Information Center (国家信息中心) on April 27th, 2017, authorizing the sharing of user data. A.10 B.8 C.11 D.9

正确答案：A