Every year, the coal workers         their lungs X-rayed to ensure their health.

A．are having

B．have had

C． have

D．had had

“走自己的路，让别人去说吧！”和“冬天来了，春天还会远吗？”分别出自哪两位名人之口？（  ）

A．但丁雪莱

B．雪莱但 丁

C．拜伦泰戈尔

D．泰戈尔拜 伦