Do you think

Do you think_______ a good idea that he sold the vegetables at half price_______ let them go bad?

it's; as well as

it; rather than

it's; instead of

it; as good as

答案及解析：本题考查it作形式宾语及短语辨析B选项，句意为“他半价卖掉了蔬菜，而不是正它们坏掉，你觉得这是个好主意吗?” think, consider等动词后常跟it作形式宾语，这句话中真正的宾语是后面的that从句；rather than 意为“而不是”，符合句意。综上，B选项正确。A选项，as well as“也，和……一样”，故排除。C选项，instead of“而不是，代替”，后接动名词，故排除。D选项，as good as“与……一样好”，故排除。故正确答案为 B项。