amphibians can be susceptible to diseases (including fungal infections) that can be readily spread between populations.

( a ) , one such fungal infiection has been implicated in severe declines in populations of amphibiansacross the americas and australia.
(a) 에 consequently 나 for example 의 가능성도 있지 않나요

정답은 in fact 인데 (b) 연결사때문에 답이 5번인거 같아요. 근데 1번과 2번은 (b)는 아니지만 a 는 가능성이 있는거

같아서요.