Thanks,but you needn ' t have ------.I bought a new one this

Thanks,but you needn ' t have ______.I bought a new one this morning.A.1.Thanks,but you neednt have ______.I bought a new one this morning.A.stood B.worked C.bothered D.operated选C 我想知道每个选项的意思和句子翻译及选择的原因.有3题我不懂的想问一下2.One of the men held the view ____ the book said was right.A.what that B what C.that D that what3.____ fashion differs from country to country may reflect a cultural difference from one aspect.A.What B.That C.This D.which4.The professor spoke very clearly to make his speech easy.A.to understand B.understand C.understanding D.understoodThe professor spoke very clearly to make his speech easy ______A.to understand B.understand C.understanding D.understood