The material support and advisory services offered by these projects ______ the will of the poor to help themselves and enable them to lead self-sufficient lives.
考查动词词义辨析。A选项prolong “延长；拖延”；B选项 enforce “实施，执行；强迫，强制”；C选项 reinforce “加强，加固；强化；补充”；D选项 inform “通知；告诉；报告”。句意：这些项目提供的物质支持和咨询服务……了穷人自助的意愿，使他们能够过上自给自足的生活。根据The material support and advisory services by these projects（这些项目提供的物质支持和咨询服务）可推测这些项目对……来说是有利的，A选项不符合题意，可排除。B选项含贬义也可排除。D选项不符合题意，可排除。结合句意，C选项正确。
