Halqali chuvalchanglar qaysi hayvonlarda kelib chiqqan (a) va nechta s

A) a - erkin yashovchi yassi chuvalchanglardan; b - kam tukli, kop tukli
B) a - erkin yashovchi kiprikli yassi chuvalchanglardan; b - kop tukli, kam tukli, zuluklar
C) a - kiprikli parazit chuvalchanglardan; b - kam tukli, kop tukli, zuluklar
D) a - erkin yashovchi yassi chuvalchanglardan; b - kop tukli, kam tukli