答案应该是C。

the price is reduced by 53%, which is called the percent discount.

The new price is 47% of the original one, that percentage is not discount.

所有跟帖： 

• 这个找成功的兔家的数学娃看看， 他英文比俺们强 -眼镜- ♂ (0 bytes) () 08/11/2019 postreply 18:38:08

• 我相信他！ -眼镜- ♂ (0 bytes) () 08/11/2019 postreply 18:57:21

• Yes, he did screw it up. The problem description says x% discoun -czhz- ♀ (0 bytes) () 08/11/2019 postreply 19:50:59

• The problem description says x% discounted price, not x% off. -czhz- ♀ (0 bytes) () 08/11/2019 postreply 19:52:12

• and also use the "at" (at 20-70%), not off. -czhz- ♀ (0 bytes) () 08/11/2019 postreply 20:02:02

• at 28 to 70 percent discounted prices.(rephrase: it is a discoun -czhz- ♀ (0 bytes) () 08/11/2019 postreply 20:07:05

• (rephrase: it is a discounted price that is at the 20-70% level, -czhz- ♀ (0 bytes) () 08/11/2019 postreply 20:07:45

• so the answer should refer to that description. -czhz- ♀ (0 bytes) () 08/11/2019 postreply 20:08:42

• 这个答案是错的，想想看，通常我们看到10% discount知道意思是新价格是旧的90%， -数与形- ♀ (57 bytes) () 08/11/2019 postreply 18:38:17

• 同意，出题的人也许没仔细想想英文，就像中文里A比B大五倍不同于A是B的五倍，小学老师一再强调的，但大人往往混用 -musicbeginner- ♂ (0 bytes) () 08/11/2019 postreply 18:44:35

• you need to learn simple English, not the author. -czhz- ♀ (0 bytes) () 08/11/2019 postreply 19:53:42

• 觉得这个答案不对，才来问 -shiyishiwc- ♀ (0 bytes) () 08/11/2019 postreply 18:46:36

• 这个不是price，是 price 加税后的价格，只可以比较实质价格，而不是税后价格。 -笑薇.- ♀ (0 bytes) () 08/11/2019 postreply 19:49:11