170. Which of the following statements are true concerning export credit insurance (ECI)？
(A)Even creditworthy buyers could default on payment due to circumstances beyond their control.
(B)ECI allows exporters to offer competitive open account terms to foreign buyers while minimizing the risk of non-payment.
(C)ECI covers certain political risks such as war, terrorism, riots,and revolution that could result in non -payment.
(D)ECI covers physical loss or damage to the goods shipped to the buyer. 。