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Point out the correct statement.

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Point out the correct statement.

(a) Queries specify criteria, or conditions, that identify the documents that MongoDB returns to the clients

(b) Write operations, or queries, retrieve data stored in the database

(c) The selection limits the amount of data that MongoDB returns to the client over the network

(d) All of the mentioned

I had been asked this question in class test.

My question is taken from Read Operations topic in section MongoDB CRUD Concepts and Operation of MongoDB

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The correct choice is (a) Queries specify criteria, or conditions, that identify the documents that MongoDB returns to the clients

For explanation: In MongoDB, queries select documents from a single collection.

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