Quyidagi organizmlaming qaysi birida ayirish sistemasi uchi yopiq nayc

11. (v9-130-29) Quyidagi organizmlaming qaysi birida ayirish sistemasi uchi yopiq naychalardan tuzilgan? 1) nereida; 2) kam tukli chuvalchang; 3) askarida; 4) oq planariya; 5) yomgir chuvalchangi. A) 1,2,3 B)3, 5
C) 1,2, 4
D) 3, 4