14. (1.0分) Listen, Sara. What it all boils______to, is how much you really want to work here. A. over B. up C) over C. around D) down D. down

本题考察“boil”与介词的搭配。根据句意，“What it all boils ______ to”应为“归根结底”。分析选项： - A) “boil up”：沸腾，不符。 - B) “boil around”：无此用法。 - C) “boil over”：溢出，不符。 - D) “boil down to”：归结为，符合句意。 完整句子为：“Listen, Sara. What it all boils down to, is how much you really want to work here.” 表明“归根结底在于你是否真心想在这里工作”。 答案：D) down