50. There was such a long line at the exhibition ________ we had to wait for about half an hour. (A)) as (B)) that (C)) so (D)) hence

30. It can be inferred from the passage that ________. (A)) killing foxes with poison is illegal (B)) limiting the fox population is unnecessary (C)) hunting foxes with dogs is considered cruel and violent (D)) fox-hunting often leads to confrontation between the poor and the rich