根据短文内容及首字母提示完成单词。

     Jack London was a famous American writer. He was b 1._____ on January 12th, 1876, in San Francisco,

California. His family was very poor, so Jack had to l 2._____ school to make money. He w 3._____ hard in

many different jobs.

      Later, Jack returned to school, b 4._____ he didn't stay there long. In 1897, he went to Alaska to wash for

gold. Then he went back home and started to write. His writings(作品)were successful, and he b 5._____ rich

and famous in his twenties.

      Jack London was not a h 6._____ man. In poor health, he died in 1916 when he was only 40 years old.

男性，45岁，发热、咳嗽1周，曾少量咳痰伴痰中带血3次。胸片示右中叶3cm×3cm类圆形阴影，中间可见空洞，无液平。痰找结核菌1次，结果阴性，胸部CT示空洞为偏心空洞，部分洞壁有结节状隆起。进一步的检查应首先考虑（）

A.重复痰找结核菌

B.试验性抗感染治疗

C.试验性抗结核治疗

D.纤维支气管镜活检

E.肿瘤标志物检查