It is said in the book that Thomas Edison (1847-1931)  _____ the world leading inventor for sixty years . [ ]

A. would be

B. has been

C. had been

D. was

女性，42岁，活动后气短半年，加重1个月。查体：双肺部可闻及细小湿性啰音，胸部X线可见肺内多发浸润影，胸膜下小叶间隔增厚。

下列药物较易导致药源性肺间质纤维化的是()

A．阿司匹林

B．泼尼松

C．普萘洛尔(心得安)

D．胺碘酮

E．环丙沙星