Answer:
c.after posting adjusting entries.
Explanation:
A trial balance is a list of all the account balances at the end of a period.
An adjusted trial balance is a trial balance that contains all adjusting entries made as a result of transactions omitted from the books of account or adjustments as a result of errors in transaction recorded during the year.
An adjusted trial balance should be prepared immediately after posting adjusting entries. This is used to prepare the financial statements