题干
The 16th Asian Games__________in Guangzhou from November 12 to November 27，2010．
A：was held
B：was holding
C：will be held
D：will be holding
答案(点此获取答案解析）
C
A：was held
B：was holding
C：will be held
D：will be holding
O2(g)=CO2(g) 
H=－283.0 kJ·mol－1