单选题Studies show the electron

问题补充：

单选题Studiesshowtheelectronicdevicespeoplehavemademuchuseofmusicmaybecausinghearinglossinmanypeople.A.enjoyB.to enjoyC.enjoyingD.enjoyed

答案：

B解析考查学生对动词不定式的掌握及上下文文意的理解能力。