Incompatible pointer to integer conversion sending 'void *' to parameter of type 
'NSJSONReadingOptions' (aka 'enum NSJSONReadingOptions')

这是它的块：

- (void)connectionDidFinishLoading:(NSURLConnection *)connection
{
    [UIApplication sharedApplication].networkActivityIndicatorVisible = NO;

    //Incompatible pointer to integer conversion sending 'void *' to parameter of type 
    'NSJSONReadingOptions' (aka 'enum NSJSONReadingOptions')

    news = [NSJSONSerialization JSONObjectWithData:data options:nil error:nil];
    [mainTableView reloadData];
}

任何想法如何解决这一问题？谢谢！