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A.But this advantage also has a big drawback——up to 10% of the biggest toads suffer from arthritis.
B.The task now facing the country is how to remove the toads.
C.But arthritis didn"t slow down toads outside the laboratory.
D.Toads with longer legs move faster and travel longer distances while the others are being left behind.
E.Toads are not built to be road runners——they are built to sit around ponds and wet areas.
F.Furthermore， they soon take over the natural habitats of Australia"s native species.请帮忙给出正确答案和分析，谢谢！