[解析]
(1)C.细节理解题.根据文章第二段的句子The trainer was asked to work with the 13﹣year﹣old boy,who has Down syndrome(唐氏症),because his coworker who dealt with the boy was out of town last spring.可知,Callari被要求训练Parker是代替他缺席的同事.故选C.
(2)B.细节理解题.根据文章第三段的句子As a high schooler,Callari described himself as being the weak kid.可知Callari 在高中的时候身体不好.故选B.
(3)A.观点态度题.根据文章最后一段的句子Parker may be the student,but Callari says he's also the one who's learning.可知,Callari 对于Parker的态度是感激的,故选A.
(4)C.主旨大意题.根据全文和第一段的Over the past year,the pair have bonded.They play basketball together,share meals and dance to hip﹣hop like no one's watching.可知,文章主要关于一个残疾男孩和他私人教练之间的友谊.故选C.