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[单选] 若变量name用来存储学生姓名,变量height用来存储学生身高(单位:米),逻辑型变量X表示成绩是否合格,True表示合格,False表示不合格,则定义这些变量的语句正确的为:
A.Dim name as Double, height as Double, X as Boolean B.Dim name as String, height as Double, X as Boolean C.Dim name as String, height as String , X as String D.Dim name as String, height as Integer, X as Boolean
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