There is no point hurrying,for it is too early for _______ a bus.

There is no point hurrying,for it is too early for _______ a bus.
There is no point hurrying,for it is too early for _______ a bus.
A.there to be B.there being C.there is
我不明白为什么.怎么翻译.这个是利用什么语法点呢?
正确答案就是A 但是我不知道这里跟there be 句型有关吗？