【正确答案】 A

【答案解析】[解析] 29-31
(31)During the last year, 40 490 people died from breast cancer, 162 460 from lung cancer, 55 170 from coloncancer, and 27 530 from prostate cancer. And, since there are many other types of cancer, this picture is incomplete.Cancer is a terrible disease for which here is no sure cure. There are, however, things that can help. As someone whohas nursed cancer survivors back to health, I'd like to say a few things.
(29) For most kinds of cancer, surgery remains the primary treatment. It is most effective if the cancer is diagnosedbefore it spreads. If the cancer has spread, surgery is often replaced by or followed by radiation therapy. Radiation isusually done with X rays and gamma rays.
(30) Social support from friends has also proven to be helpful. One study found that women with breast cancer livedlonger over a seven-year period and had less chance of contracting it again if they had a large group of friends who offeredsupport. The study found for those who could discuss their problems with a group of friends, their diseases progressed ata significantly slower rate.

What is the best way of dealing with cancer before it spreads?

surgery(手术)，primary(主要的)和effective(有效的)是关键词。根据文章，癌症扩散前，手术是主要的、最有效的手段。