There being的问题____about the bookkeeper's honesty,the company

There being的问题
____about the bookkeeper's honesty,the company asked him to resign.
A.There be some questions B.There were some questions
C.There have been some questions D.There being some questions
我想知道there being这是个什么用法 句中怎么讲?还有就是其他答案分别错在哪里?希望懂的高手能给我一个解答