Read the following context and choose the best option to answer the question.
Context: 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 ?
Options: 
A. None of the above choices .
B. Team USA .
C. Team China are .
D. The United States is .


C