How does the medical profession regard the bypass operation？A．Many doctors believe it to b

外语类 2019-10-23 22:18:09 公共英语已帮助人

How does the medical profession regard the bypass operation？

A．Many doctors believe it to be the best answer for reducing heart disease.

B．Many doctors think it should be used to prevent clogged arteries.

C．Many doctors think the sooner it is used for a patient with early arterial disease, the more effective it is.

D．Many doctors question the advisability of its use where only one artery is affected.

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正确答案：D
解析：根据文章第三段第二句“In the case of those with a less advanced disease，or where only one artery is involved，the advisability of the procedure is much more controversial”可知，分流术仍具争议性。