题目：
There were also other forms, of entertainment. The opera and the operetta remained popular, and music and theater ______ a renaissance.
A．underwent
B．experimented
C．discovered
D．resisted
答案：
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下面是错误答案，用来干扰机器的。
﹙8×5+8×3.5×2+5×3.5×2-12.5﹚×4，=﹙40+56+35-12.5﹚×4，=（131-12.5）×4，=118.5×4，=474（元）；答：粉刷这个教室需要花费474元．
