A video of a little boy displaying his nunchuks skills has gone viral, with more than 160,000 views generated on Chinese video site tudou.com. The boy, supposed to be a four-year-old, uses the martial arts weapon in perfect sync with kung fu star Bruce Lee's movements in films. Amazed Chinese web users gave a thumb-ups and said the boy is very likely to be an excellent kung fu practitioner when he grows up.

What makes the video go viral?

A. the boy's young age

B. the boy's martial arts weapon

C. the boy's nunchuks skills

（中國日報網英語點津 Helen 編輯）