【题目】The discovery of the new drug is of great significance to people _______ from heart problems.
A. suffered B. suffering
C. suffer D. being suffering
在线课程【答案】B
【解析】句意：这种新药的发现对心脏有问题的人来说有很大意义。suffer from“遭受，承受”，people和suffer from是主动的关系，而且suffer不是作谓语动词，而是后置定语，故用现在分词。故选B。