英语语法：A________expressionappearedonherfacewhenshelearnedhis________bicyclehadA________expressionappearedonherfacewhenshelearnedhis________bicyclehadbeenstolen.A.surprised;raceB.surprising;raceC.surprised;racing

　　英语语法：A________expressionappearedonherfacewhenshelearnedhis________bicyclehad

　　A________expressionappearedonherfacewhenshelearnedhis________bicyclehadbeenstolen.

　　A.surprised;race

　　B.surprising;race

　　C.surprised;racing

　　D.surprising;racing

　　为什么选C

　　为什么不是选D

　　修饰表情不应该用surprising吗?

　　这个词的-ed和-ing到底有什么区别?