[advertise]广告[/advertise]February 25,2010, By Qi Xiao (chinadaily.com.cn) China is likely to become the biggest consumer market by the end of its "Twelfth Five-Year Plan" period, Yao Jian, spokesperson for the Ministry of Commerce said today. The "Twelfth Five-Year Plan", China's plan for economic and social development, starts in 2011 and ends in 2015. The country has become the fifth-largest market for consumer spending last year.