單項選擇題

下面哪個是合法的序列化數(shù)據(jù)格式?()

A.O:7:"Student":2:{s:4:"name";s:4:"qian";s:3:"age";s:25;}
B.O:7:"Student":2:{s:4:"name";s:4:"qian";s:3:"age";i:25;}
C.O:8:"Student":2:{s:4:"name";s:4:"qian";s:3:"age";s:25;}
D.O:8:"Student":2:{s:4:"name";s:4:"qian";s:3:"age";i:25;}

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