单选题 According to the Chinese team leader, what% the key to their success?

A、 Debate practice sessions.
B、 Solid training.
C、 Research on Japanese.
D、 Knowledge of parliamentary procedure and public speaking.

【正确答案】 B

【答案解析】[注释] 见短文的最后一段According to Li Xiaocong，the Chinese team leader，their efforts in finding approaches to resolutions made them stand out．Li attributes their success to solid training．其他选项的内容没有在短文中出现。