单选题Mr. Wu is a teacher&

问题补充：

单选题Mr.Wuisateacherwith_______.Heoftentellsussomeofhisunusual_______inAmerica.A.a lot of experience, experiencesB.much experience, experienceC.many experiences, experienceD.many experience, experiences

答案：

A解析experience作为经历时为可数名词，作为经验时不可数名词，故选A