补充题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 the 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

A 为何错？答案C

修饰错误。involve本来应该是Coronary angiography的谓语。可是在A中修饰了a sophisticated method。同样，这个也是歧义的来源。involve应该和后面的be动词并列。

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