The two-way exchange rate is the bid price/selling price, and the bid price represents the bank's bid price, which is the quotation of the bank's buying currency against the left currency and the quotation of the bank's buying foreign currency in the direct quotation; Asking price refers to the bank's selling price, that is, the quotation of the bank selling currency against the left currency, which is the quotation of the bank selling foreign currency in the direct quotation.
So the above picture is the buying price, which is the quotation that the bank buys foreign currency and sells local currency, and the customer sells foreign currency and buys local currency.
Answer C.