题目内容：

What do you suggest_________ more suitable
A.to be
B.being
C.be
D.is

优质解答

What do you suggest_________ more suitable
A.to be
B.being
C.be
D.is
do you suggest在句子中作插入语,受其影响后面用虚拟语气,即should+动词原形,并且should可以省略.因此答案为C.