A. before the cancer cells spread elsewhere B. the more chances of dying of X-ray radiation he will have C. what is most respons

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问题 A. before the cancer cells spread elsewhere
B. the more chances of dying of X-ray radiation he will have
C. what is most responsible for lung cancer
D. as some people imagine
E. the more chances of getting lung cancer he will have
F. Bronchogenic carcinoma
A primary lung cancer patient may be cured by removing the lung completely______.

选项

答案A

解析 根据文章第4段倒数第2句“The only treatment…is to remove the hmg completely”可知,在继发性肿瘤出现前,可通过切除整个肺来治疗早期肺癌。故本题选A。
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