Explanation:

Statements Analysis
The code will detect the language of documents.
The method used is RecognizeLinkedEntities .
This extracts linked entities and provides Wikipedia references but does not perform language detection.
For language detection, you must call DetectLanguage() .
The answer: No
The url attribute returned for each linked entity will be a Bing search link.
The RecognizeLinkedEntities API returns a Url property for each entity that points to the Wikipedia page of the entity.
It does not return Bing links.
The answer: No
The matches attribute returned for each linked entity will provide the location in a document where the entity is referenced.
The matches collection contains objects with offset and length properties, which indicate where in the text the entity appeared.
This is correct.
The answer: Yes
Verified Answer
The code will detect the language of documents # No
The url attribute returned for each linked entity will be a Bing search link # No The matches attribute returned for each linked entity will provide the location in a document where the entity is referenced # Yes Microsoft References Azure Text Analytics - Recognize linked entities Text Analytics .NET SDK: RecognizeLinkedEntities