请选择DCBA7B'L*W2v7a/_ Only when you have obtained sufficient data _________ come to a sound conclusion.+L2b1S6b;A3v(h+O-j
A.can you+L2b1S6b;A3v(h+O-j
B.you can+L2b1S6b;A3v(h+O-j
C.would you+L2b1S6b;A3v(h+O-j
D.you would+L2b1S6b;A3v(h+O-j