常温下,碳的化学性质请选择DCBA1{0l'[5Y'D-C1S.T'Z0c:f6V7I+|5T9_-@/U
A.活泼+|5T9_-@/U
B.不稳定+|5T9_-@/U
C.很活泼+|5T9_-@/U
D.不活泼+|5T9_-@/U