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PowerBuilder中的PowerScript语言包括下列哪些语句？Ⅰ．变量定义语句Ⅱ．赋值语句Ⅲ．流控制语句Ⅳ．操纵数据库语句
A.Ⅰ、Ⅱ和Ⅲ
B.Ⅰ、Ⅲ和Ⅳ
C.Ⅰ、Ⅱ和Ⅳ
D.都是
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题目内容
（请给出正确答案）
如果结果不匹配，请 联系老师 获取答案
题目内容
（请给出正确答案）
A.Ⅰ、Ⅱ和Ⅲ
B.Ⅰ、Ⅲ和Ⅳ
C.Ⅰ、Ⅱ和Ⅳ
D.都是
如果结果不匹配，请 联系老师 获取答案
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