单项选择题

A.C=ko(1-e-kt)/VK
B.logC’=(-k/2.303)t'+log(k0/Vk)
C.logC’=(-k/2.303)t’+log(ko(1.e-kt)/VK
D.logC=(--k/2.303)t+logC0
E.IogX=(一k/2.303)t+logXo