单选题

声明一个返回值为NSDictionary，并且带参数的block正确的是

Question

A. @property (nonatomic,strong) NSDictionary (*aBlock)(int age)

B. @property (nonatomic,strong) NSDictionary ^(*aBlock)(int age)

C. @property (nonatomic,strong) NSDictionary (^aBlock)(int age)

D. @property (nonatomic,strong) NSDictionary *(^aBlock)(int age)