In QBO,when Customers Pay Bills Via Credit Card the Following

In QBO,when customers pay bills via Credit Card the following is true:

A) QBO is fairly flexible,however,it would prefer a company have customers pay with a credit card online or over the phone vs.through the mail.
B) QBO requires credit cards to be processed with a company's bank and then payments can be automatically downloaded to a company's account.
C) QBO accepts only MasterCard,Visa and American Express.
D) Using QBO's Merchant Account Service you can obtain online authorization and then download payments directly into QBO which updates accounts.