The correct answer is (D) To be hidden; to exist secretly or furtively; to exist unobserved; to lie or wait in concealment, to remain in or around a place unnoticed or unsuspected.

Lurk comes from Middle English lurken.

Examples of use:

• A short man of undetermined age lurked near the hedge as twilight came.
• The cat lurked by the rosebush in readiness for the arrival of a careless sparrow or robin.