29. that the government can lead them out of the financial crisis, people are optimistic about the future of the country.
A. Convincing
B. Convinced
C. To convince
D. Having convinced
网友回答
A. Convincing
(答案→)B. Convinced
C. To convince
D. Having convinced
解析：本题考查复合句变为简单句的用法。选B，是因为前半句可以改为：Because people are convinced that…这里的B是形容词。