We are told that work on the wreck was made difficult by______.A．the slope of the beachB．t
公共英语
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We are told that work on the wreck was made difficult by______.
A．the slope of the beach
B．the height of the ship
C．the number of holiday-makers
D．the volume of the sand
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正确答案：D
解析：本题询问是什么使挖掘残骸的工作比较困难。关键语句为第三段的第一句“of the wreck which would normally have been visible were obscured by the sand，which was not only right up to but even above the upper gun deck”。这句话含有虚拟语气，说明若非厚厚的沙土，挖掘工作会比较顺利。由此可见，是大量的沙土给挖掘工作带来了困难。