题目

将单个的脱氧核苷酸连接成DNA分子的主要的酶是(     ) A、DNA连接酶   B、DNA酶   C、DNA解旋酶   D、DNA聚合酶 答案：DMy father ______ my mobile phone because the school don’t allow students to use it.A．cleaned upB．took awayC．ran awayD．passed on