Like the grassy fields and old pastures that the upland sandpipers needs for feeding and nesting when it returns in May after wintering in the Argentine Pampas,the sandpipers vanishing in the northeastern United States is a result of residential and industrial development and of changes in farming practices. A. the sandpipers vanishing in the northeastern United States is a result of residential and industrial development and of changes in B.the bird itself is vanishing in the northeastern United States as a result of residential and industrial development and of changes in C.that the birds themselves are vanishing in the northeastern United States is due to residential and industrial development and changes to 答案:B 不用跟前面的Like the grassy fields and old pastures 平行并列嘛? 谢谢!………^^ |