NowIregret______thoseweight-losspillsA.tookB.takingC.takenD.totake

问题补充：

Now I regret ______ those weight-loss pillsA.tookB.takingC.takenD.to take

答案：

B解析试题分析：考查动名词做宾语：句意：现在我后悔吃这些减肥药。Regret doing“后悔做过…”，regret to do“后悔去做…”，选B。考点：考查动名词做宾语