M: How do you pay at the shops, Mary? W: Why? By cash or card, of course. M: Ever thought of your mobile phone? W: Is it possible? M: This time next year, perhaps. It's efficient. Everything is done in 0.2 second, to be exact., Question: What do we learn about the man? (A) He is asking the woman to pay at the cashier (B) He wants to buy a mobile phone from the woman (C) He is giving the woman some information
(C) He is giving the woman some information