We cannot see any possibility of business（ ）your price is too hi

We cannot see any possibility of business（ ）your price is too high.
A、though
B、while
C、since
D、that
【正确答案】：C
【题目解析】：根据句意因为你给的价格太高了所以几乎没有生意来往的可能性。此处用since表示因果关系。