单选题

NSDictionary *dict = [NSDictionary dictionaryWithObject:@"a value" forKey:@"aKey"]; NSLog(@"%@",[dict objectForKey:@"aKey"]); [dict release]; 控制台中打印的最后一条信息会是：

Question

A. a value

B. aKey : a value

C. 崩溃信息

D. a value : aKey