Question: Which statement is true about Node.js and threads?

1. Every Node process runs in a single thread, and all the I/O work is run in that same thread.
2. Every Node process gets four threads that it can share between its JavaScript VM and the event loop.
3. The event loop is single-threaded, but a JavaScript VM can use multiple threads.
4. JavaScript execution in Node.js is single-threaded, but I/O operations are executed using multiple threads.

Answer: The correct answer of the above question is Option C:The event loop is single-threaded, but a JavaScript VM can use multiple threads.