39.根據DSM-5，下列何種心理疾患，出現的年齡普遍是在嬰幼兒時期？ (A)注意力不足／過動症(ADHD)、語言障礙症(speech and language disorders) (B)自閉症類群障礙症(autism spectrum disorder)、迴避／節制型攝食症(avoidant/restrictive food intake disorder) (C)自閉症類群障礙症(autism spectrum disorder)、對立反抗症(oppositional defiant disorder) (D)智能發展障礙症(intellectual developmental disorder)、焦慮症(anxiety disorder)