题目

It's very kind _______the warm-hearted woman ________us out when we were in trouble. A . of; to help B . of; to have helped C . for; to help D . for; to have helped 答案：B12．新中国加强民族团结，促进了国家全面发展的政治制度是（　　）A．政治协商制度B．一国两制C．人民代表大会制度D．民族区域自治制度