60. If a kid shows six symptoms of inattention and seven symptoms of hyperactivity - impulsivity, which of the sub-types of ADHD does he belong to?A. Predominantly hyperactive-impulsive. B. Predominantly inattentive.C. Combined hyperactive-implusive and inattentive D. It all depends.61. Which of the following causes of ADHD has been confirmed by scientific research?A. Genes. B. Smoking during pregnancy.C. Food additives D. Exposure to high levels of lead.62. Which of the following is true according to the passage?A. Kids who have symptoms of ADHD for more than four months can be diagnosed with ADHD.B. The hyperactive and impulsive sub-types tend to be mistaken for emotional or disciplinary problems.C. One of the symptoms of inattention is that kids become tired of a task easily even if they are doing something enjoyable.D. It is claimed that artificial colors and preservatives have nothing to do with ADHD.