61. Contrast may make something appear more beautiful than it is when ________ alone. (A)) seen (B)) is seen (C)) to be seen (D)) having been seen

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