As soon as he comes back, I’ll tell him when ___ and see him.

A．you will come

B．will you come

C．you come

D．do you come

在平面内，若直线a⊥c，直线b⊥c，则a∥b；在空间中，若直线a⊥c，直线b⊥c，则直线a与直线b不一定平行。这说明（）

A.人们难以完全正确地反映客观事物高*考*资*源*网

B.人们对事物的认识具有反复性

C.真理具有客观性

D.任何真理都有自己适用的条件和范围