_______inthe1800sandfirstmass-prod

发布时间：2020-07-25 10:43:03

_______ in the 1800s and first mass-produced in Germany, the harmonica(口琴) was designed to play simple folk tunesA.Being inventedB.InventingC.InventedD.Having invented

网友回答

C解析考查非谓语动词。逻辑主语the harmonica与invent之间为被动关系，故用过去分，选C。
以上问题属网友观点，不代表本站立场，仅供参考！