Question:Which of the following statements is correct for the bubbling routing strategies used by the routing events in WPF in .Net framework 4.0? 

A This event is first raised on the root, then on each element down the tree until the source element is reached. 

B This event is only raised on the source element. It will have the same behavior as a plain .NET event, except that such events can still participate in mechanisms specific to routed events such as event triggers. 

C This event is first raised on the source element, then on each element up the tree until the root is reached. 

D None of these 

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