Which of these is not an AClD property of transactions?

a$)$ Atomic: All changes are performed as if they were one operation. lf anything fails, they are all undone

b$)$ Consistent; Data is in a consistent state before and after the transaction

c$)$ lsolated: Intermediate states of the transaction are invisibie to other transactions

d$)$ Distributed: Transactions be broken into mutiple sub$-$transactions that span multiple systems