A.含幼蟲(chóng)卵經(jīng)口感染 B.感染性幼蟲(chóng)經(jīng)口感染 C.囊蚴經(jīng)口感染 D.感染性幼蟲(chóng)經(jīng)皮膚感染 E.裂頭蚴經(jīng)皮膚感染