单选题 Students of how children learn language generally agree that the most remarkable aspect of this feat is the rapid acquisition of grammar.
【正确答案】 A
【答案解析】[分析] 词义辨析 feat技艺，壮举；而A．skill 技能，技巧；B．puberty 青春期；C．indulge 纵容；D．chide斥责，责骂；因此A为答案。