<題組題>[題組:第32～34題]Which is true about the origami study? (A) Buyers would spend less on builders’ origami than builders would. (B) Builders and buyers needed to decide a price on the origami they made. (C) Builders knew others would not pay as much for the origami as they would. (D) Buyers would spend more on builders’ origami after knowing how they were made.
