大全补充题137

efficiency

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

这题一点思路都米有，做了几次挑得都是错答案。哪位帮忙分析一下，为什么是C? D不是也挺好吗？a method 一定要跟for 吗？to 不对吗？谢谢。

liuliyun

(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

1、method后接of/for 比接to do更idiomatic, 如OG39

2、that involves紧接disease有修饰歧义

linlin2008

One issue over here is WHAT involves the introduction of dye into

the arteries of heart. Apparently, it's coronary angiography. Option D distorts the intended meaning by using a restrictive clause to modify DISEASE, rather than the treatment.

And, METHOD FOR is idiomatic; this quiz is a great example that

demonstrates that TO DO is not always over FOR V~ING.

A and B commit the same error. And, C is imperfect to me, since the BECAUSE clause should modify BE ADMINISTERED, rather than both predicates, as the clause seems to do. However, C is still the best

one.