When a passenger wants to buy a duty-free item and asks about the method of payment(支付方式), you should answer him by saying _______.
A.
You may pay by cash or credit card, please.
B.
Would you please scan the QR code with Wechat or Alipay.
C.
It's up to you. Anyway.
D.
We may accept Visa, Mastercard, or Unionpay card.