答案：D

题目分析：句意：如果我是你，我将要送给她一些鲜花。分析if引导的虚拟语气。表示与现在事实相反的情况。其句子结构为：从句：if + 主语+ 动词的过去式(be 用were) + ……主句：主语+ would (should, could , might) + 动词原形+……例如：If I were you, I would read it again. 如果我是你的话，我再读一遍。（事实上我不是你）故选D