Which of the following actions would classify as kidnapping?

The action described in the correct answer involves restraining someone for ransom, which clearly meets the legal definition of kidnapping. Kidnapping typically entails the unlawful taking and carrying away of a person by force or fraud, and it often involves an intent to hold the person against their will, especially for ransom or other forms of extortion. This activity not only deprives the individual of their freedom but also involves a motive that is criminal in nature, making it a serious offense under the law.

In contrast, the other actions listed may appear to involve some level of coercion or manipulation but do not satisfy the legal criteria for kidnapping. For example, taking someone on a vacation could be seen as a mutual decision unless there is evidence that the person did not consent. Similarly, moving someone without their consent could imply something more benign or less criminal, depending on the context. Keeping someone in a room during a disagreement could involve temporary emotional distress, but it does not necessarily involve the intent or actions typically associated with kidnapping. Thus, the distinct element of ransom in the correct option sets it apart as a clear case of kidnapping.