Which of the Following Errors,each Considered Individually,would Cause the Trial

Multiple Choice

Which of the following errors,each considered individually,would cause the trial balance totals to be unequal?

A) A transaction was not posted.
B) A payment of $64 for supplies was posted as a debit of $46 to Supplies and a credit of $46 to cash.
C) A payment of $131 to a creditor was posted as a debit of $131 to accounts payable and a debit of $131 to accounts receivable.
D) Cash received from customers on account was posted as a debit of $240 to cash and a credit of $240 to accounts payable.