Everyone agreed to his suggestion ________ a bridge ________ built across the river．
A.that; beB.that; will beC.which; would beD.as; should be在线课程A
解析：
句意：每个人都同意他的建议——在这条河流上建一座桥。suggestion表示“建议”时，后面的同位语从句也要用虚拟语气，谓语用“should(可以省略)+动词原形”。