only a big research project as well as its founding_____likely to interest you,right?\A.might be B.is C.are D.could be

only a big research project as well as its founding_____likely to interest you,right?\A.might be B.is C.are D.could be
only a big research project as well as its founding_____likely to interest you,right?\
A.might be B.is C.are D.could be

only a big research project as well as its founding_____likely to interest you,right?\A.might be B.is C.are D.could be
B.is
句子的主语是only a big research project ,主语是单数.as well as its founding这部分可以看做是插入语,意思是：以及它的发现结果.be likely to “可能”,不用再加上might或could了.
（我觉得）