單項選擇題

自定義一個Person類,下面哪個選項是規(guī)范的便利構(gòu)造器聲明方式()

A.-(id)personWithName:(NSString*)theName;
B.-(id)personwithName:(NSString*)theName;
C.+(id)personwithName:(NSString*)theName;
D.+(id)personWithName:(NSString*)theName;

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