— I hope the result of the exams had not been told to us.

— ________, why did you come here to see our teacher?[      ]

A. If what         

B. If so            

C. If only          

D. If not

下述说法中( )不正确。

A．(A) 气候不是影响泥石流发育的因素

B．(B) 寒冷地区泥石流不发育

C．(C) 干旱地区泥石流不发育

D．(D) 植被发育地区泥石流不发育