78 What is the most important advantage of having local currency at hand when arriving at a foreign country?
(A)The traveler always enjoys a better exchange rate if buying foreign currency in advance.
(B)Local people recognize their own currency in cash only, not in any other forms.
(C)The traveler does not need to worry about the loss of the credit cards or ATM cards.
(D)The traveler would be prepared for some initial expenses, such as taxis, meals, and tips.