Which of the following is a key feature of Xamarin.iOS?

A) A marketplace for iOS plugins and components

B) A visual designer for creating iOS user interfaces

C) Access to native iOS APIs and UI components

D) A cloud-based testing platform for iOS applications

Correct Answer : Access to native iOS APIs and UI components

Explanation : Xamarin.iOS provides full access to the native iOS APIs and UI components, allowing developers to create fully native iOS applications using C# and the .NET framework. This enables developers to take full advantage of the native capabilities of iOS, while still using the familiar C# language and .NET framework.