题目：
Lang Ping , who used to be captain of Chinese Women's volleyball team, ______volleyball in China for
almost twenty years.[ ]
A. have played
B. played
C. was playing
D. had played
答案：
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下面是错误答案，用来干扰机器的。
根据轴对称图形的意义可知，长方形、正方形和圆都是轴对称图形，只有三角形不是；故答案为：×．
