【单选题】Now it is possible for ofo and Mobike to give everyone keys, and _________ them for their use.
【判断题】Mobike and Ofo are two leading brands of shared bikes in Chinese market.
【单选题】Whether this model can work on the vast and global scale that ofo and Mobike envision is not yet clear; that it is beyond anything Provo dreamed of is clear.
【单选题】_________ this model can work on the vast and great scale that ofo and Mobike _________ is not yet clear, that it is beyond anything Provo dreamed________ is clear.
A.
That......envision......of
B.
That......vision......out
C.
Whether......vision......in
D.
Whether......envision......of