Like the grassy fields and old pastures that theupland sandpiper needs for feeding and nesting when it returns in May afterwintering in the Argentine Pampas, the sandpipers vanishing in thenortheastern United States is a result of residential and industrialdevelopment and of changes in farming practices. A. the sandpipers vanishingin the northeastern United States is a result of residential and industrialdevelopment and of changes in B. the bird itself isvanishing in the northeastern United States as a result of residential andindustrial development and of changes in C. that the birdsthemselves are vanishing in the northeastern United States is due toresidential and industrial development and changes to D. in the northeastern United States, sandpipers’vanishing is due to residential and industrial development and to changesin (B) E. in the northeastern United States, thesandpipers’ vanishing, a result of residential and industrial development andchanging 这题的平行我怎么一点没看出来?the bird 和 the grassy fields and old pastures平行?为什么觉得很别扭呢~~