再问补充材料语法第461题 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 adminstered selectively; C. for diagnosing coronary disease, involves the introduction of a 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 sophisticated method后加to diagnose或for diagnosing有什么区别。 |