prep_2008上面的一个例题

黑糖话梅糖 · 发表于 2014-8-10 09:48:10

137. Coronary angiography, a sophisticated method for diagnosing coronary disease involving the introduction of a dye into the arteries of the heart, is now administered selectively, because it uses x-rays to observe cardiac function.
(A) for diagnosing coronary disease involving the introduction of a dye into the arteries of the heart, is now administered selectively, because it uses
(B) for diagnosing coronary disease involving the introduction of a dye into the arteries of heart, is now administered selectively, because of using
(C) for diagnosing coronary disease, involves the introduction of dye into the arteries of the heart and is now administered selectively, because it uses
(D) to diagnose coronary disease that involves the introduction of a dye into the arteries of the heart, is now administered selectively, because it uses
(E) to diagnose coronary disease involving the introduction of a dye into the arteries of the heart, which is now administered selectively, uses
prep2008上面的一个例题，正确答案是C。想问一下大家A和C的区别就是dye和a dye 嘛？感觉A答案里面的involving也可以做定语修饰method.第一次发帖不太会组织语言，大家将就着看，求解答！！！！！！！！！！！！

黑糖话梅糖 · 发表于 2014-8-10 11:37:36

自己顶一下啊！！！！！！！！！！求大神解释

prep_2008上面的一个例题

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