Which of the following is true of an accounts receivable subsidiary ledger?

Which of the following is true of an accounts receivable subsidiary ledger?
A) It does not include a receivable account for each customer, but includes a cumulative account for all customers.
B) It contains information about the amount each customer purchased on credit, but excludes the customer name.
C) The total of the accounts in the accounts receivable subsidiary ledger must equal the accounts receivable balance in the general ledger.
D) Companies keep an accounts payable subsidiary ledger that is entirely different from the accounts receivable subsidiary ledger.