challenge: What was Zhang Zuoji's position in the Chinese People's Political Consultative Conference (CPPCC)?
  
  A. Director of the economic committee of the 10th CPPCC
  B. Secretary-General of the 12th CPPCC
  C. Director of the economic committee of the 11th CPPCC
  D. Chairman of the 11th CPPCC
  Answer: 