问题描述：
The People's Republic of China was ___ in 1949. A. found B. founded C. built up D. put up
The People's Republic of China was ___ in 1949.
A. found B. founded C. built up D. put up
请详细点
The People's Republic of China was ___ in 1949.
A. found B. founded C. built up D. put up
请详细点
问题解答：
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