Seven days of competition has finished , never have I seen so many highs and lows in a single week . China leads the medal tables with 26 golds , just 6 short of the 32 last won in Athens and we have n't even begun the table tennis yet ! However whilst I am hopeful we will beat the USA , I know it is far from assured , Phelps has won 6 already and seems unstoppable , the athletics have barely begun ... An intriguing battle to come , will China be able to hold on to her lead ? The USA underperformed in Athens , will they slip up again ?

Question: Who is doing the best at this particular Olympics ?
Answer: None of the above choices .Team USA .Team China are .The United States is .