challenge: Which of the following individuals was a flag bearer for their nation at the opening ceremony of the 2008 Summer Olympics?
  
  A. All of the above
  B. Nesar Ahmad Bahave of Afghanistan and Deepak Bista of Nepal
  C. Miguel Ferrera of Honduras and Sheikha Maitha Al Maktoum of United Arab Emirates
  D. Bineta Diedhiou of Senegal and Daba Modibo Keita of Mali
  Answer: 