Question:What is the function of the history traversal task source in HTML 5.0? 

A It is used for features that react to user interaction, for example, keyboard or mouse input. 

B It is used for features that react to DOM manipulations, for example, the things that happen asynchronously when an element is inserted in the document. 

C It is used to queue calls to history.back() and similar APIs. 

D All of the above 

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