保持二氧化碳化学性质的最小粒子是 请选择DCBA3_/X5a9T8[6D0t4`(Q8X8?4H4@9t-n/g1a5Z4F1_5K;i7Z
A．碳原子-n/g1a5Z4F1_5K;i7Z
B．氧原子-n/g1a5Z4F1_5K;i7Z
C．氧分子-n/g1a5Z4F1_5K;i7Z
D．二氧化碳分子-n/g1a5Z4F1_5K;i7Z