单选题

与下列代码： NSDictionary *dictionary = [NS...

Question

与下列代码：

NSDictionary *dictionary = [NSDictionary dictionaryWithObjectsAndKeys:@"obj1", @"value1", @"obj2", @"value2", nil]

等价的是：

A. NSDictionary *dictionary = @{@"obj1": @"value1",
@"obj1": @"value1",nil}

B. NSDictionary *dictionary = @{@"obj1": @"value1",
@"obj1": @"value1"}

C. NSDictionary *dictionary = @{@"obj1"， @"value1",
@"obj1"， @"value1"}

D. NSDictionary *dictionary = @{@"obj1"， @"value1",
@"obj1"， @"value1",nil}