My stand____what it is,I have to oppose what they have suggested.A.is B.being C.has been D.be选什么?为什么?

My stand____what it is,I have to oppose what they have suggested.A.is B.being C.has been D.be选什么?为什么?
My stand____what it is,I have to oppose what they have suggested.A.is B.being C.has been D.be
选什么?为什么?

My stand____what it is,I have to oppose what they have suggested.A.is B.being C.has been D.be选什么?为什么?
B.being ,前半句要用伴随状态,意思是,在我的立场是什么的情况下,我不得不设想反对他们的建议.