单选题

<pre class="prettyprint lang-cpp">在没有nav

Question

在没有navigationController的情况下，要从一个ViewController切换到另一
个ViewController应该

A. [self.navigationController pushViewController:nextViewController animated:YES]

B. [self.view addSubview:nextViewController.view]

C. [self pushViewController:nextViewController animated:YES]

D. [self presentModalViewController:nextViewController animated:YES]