(*coupon 優惠券 valid 有效的 offer 折扣 receive 給 bucket 桶 purchase 買 grilled 烤的)

47. What is true about these coupons?
(A) With Coupon 1, you will get 5% off if you spend more than 20 dollars.
(B) With Coupon 4, you will get a free chicken sandwich if you order a bucket of fried chicken.
(C) With Coupon 2, you will get 25% off for two buckets of fried chicken.
(D) You can use coupons 1 and 2 with other coupons.