[解析]
(1)D.推理判断题.根据第一段第三、四句话"They raise their children and educate them to be responsible citizens.They give love and care."可以知道父母辛苦把他们养大,给与他们关怀和爱,教育他们要做一个优秀的人,而并不是因为父母的过世而向父母表达爱意,结合选项,故选D.
(2)A.细节题.根据构词法,名词后缀﹣ist,表示"……主义者"及专业人员,可知此处的flowers为花商.因此花商要趁此节日销售鲜花.选A
(3)C.细理解节题.根据第二段第三、四句话"A red one symbolizes a living mother.A white one shows that the mother is dead"可以推断出康乃馨代表的是对妈妈的爱和祝福.C选项符合题意.故选C.
(4)A.细节题.根据文章内容,此题是细节题,由第二段第七句" On these days families get together at home as well as in restaurants.可得知在父亲节和母亲节的时候,大家会举行聚会来庆祝这些节日.结合选项,故选A.