单选题 If we had discussed it with the manager, he would have surely agree with it.

【正确答案】 C

【答案解析】[解析] 本题是对副词的考查。题干划线词surely意为“当然，无疑”，necessarily意为“必要地”，simply意为“简单地”，certainly意为“当然地，确定地”，possibly意为“可能地”，所以正确答案为C。