from heart trouble for years, Mr.Smith has to take some medicine with him whenne

________ from heart trouble for years, Mr.Smith has to take some medicine with him whennever he goes.

A. Suffered　 　 B. Suffering　 C. Having suffering D. Being suffered

试题答案

C

考查非谓语动词。 题意：由于患心脏病多年，Smith先生无论什么时候都随身带着药物。 前面的分句表示的是原因，动作发生在携带药物之前，所以B和D都是错误的；而A项隐含有被动的含义，而这个suffer和它的逻辑主语是主动关系。