我有这样的数组
NSMutableArray *level1;
NSMutableArray *level2;
NSMutableArray *level3;
self.questionSections=[[NSArray alloc] initWithObjects:@"Level 1",@"Level 2",@"Level 3", nil];
level1=[[NSMutableArray alloc] init];
level2=[[NSMutableArray alloc] init];
level3=[[NSMutableArray alloc] init];
[level1 addObject:[[NSDictionary alloc] initWithObjectsAndKeys:
@"What is the opposite of up?",@"name",
@"101q.png",@"questionpicture",
nil]];
[level1 addObject:[[NSDictionary alloc] initWithObjectsAndKeys:
@"What is the opposite of front?",@"name",
@"102q.png",@"questionpicture",
nil]];
[level2 addObject:[[NSDictionary alloc] initWithObjectsAndKeys:
@"Name a common pet?",@"name",
@"201q.png",@"questionpicture",
nil]];
[level2 addObject:[[NSDictionary alloc] initWithObjectsAndKeys:
@"Name a common bird?",@"name",
@"202q.png",@"questionpicture",
nil]];
[level3 addObject:[[NSDictionary alloc] initWithObjectsAndKeys:
@"List 3 rooms in your house?",@"name",
@"301q.png",@"questionpicture",
nil]];
self.questionData=[[NSArray …Run Code Online (Sandbox Code Playgroud)