[解析]
(1)细节理解题。根据文章中各本书的折扣信息:Whispers of the Forgotten by L.M.Blackthorn I Sci﹣Fi Thriller I$12(40% off)(《被遗忘的低语》,作者 L.M.布莱克索恩,科幻惊悚类,原价12美元,打六折);The Quantum Gardener by Dr.Elena Marquez I Science & Philosophy I$15(35% off)(《量子园丁》,作者埃琳娜・马尔克斯博士,科学与哲学类,原价15美元,打六五折);Chaos Theory for Beginners by Roxanne Voss I Humorous Self﹣Help I$10(20% off)(《初学者的混沌理论》,作者罗克珊・沃斯,幽默自助类,原价10美元,打八折);The Silk Weaver's Daughter by Fiona McIntosh Historioal Fiction $12(25% off)(《织丝者的女儿》,作者菲奥娜・麦金托什,历史小说类,原价12美元,打七五折)。可知,Whispers of the Forgotten"这本书的折扣最大,为40%。所以如果我们想要最大的折扣,应该买《被遗忘的低语》这本书。故选A。
(2)细节理解题。根据Chaos Theory for Beginners by Roxanne Voss I Humorous Self﹣Help I$10(20% off)部分的A funny physicist uses jokes and everyday examples,like dating apps and messy sock drawers,to explain complex scientific questions."(一位有趣的物理学家使用笑话和日常例子,比如约会应用程序和凌乱的袜子抽屉,来解释复杂的科学问题。)可知,是Roxanne Voss试图用笑话来简化复杂的问题。故选C。
(3)细节理解题。根据The Silk Weaver's Daughter by Fiona McIntosh Historioal Fiction $12(25% off)部分的When a royal law threatens their family business,Marie must save her craft.Along the way,she discovers the power of art and determination to inspire change in a difficult situation.(当一项皇家法令威胁到他们的家族生意时,玛丽必须拯救她的手艺。在这个过程中,她发现了艺术的力量和决心,能够在困境中激发变革。)可知,是艺术的力量和她的决心使玛丽最终克服了困难。故选D。