患儿女，2岁半。落日眼，耳聋，牙齿深褐色，流涎，对外界反应迟钝，伴手足徐动。以下哪项病史或体征有助于该病病因诊断

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='28571' and id < 2331960 and id<>'2331960' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='28571' and id > 2331960 and id<>'2331960' order by id asc limit 5