James is watching Danielle's cats for the weekend, so Danielle left her keys with James. She forgot to tell him which key opened the door, and he cannot reach her. She only has about seven keys on the key ring. The best strategy for James to use in this situation would be ________.

A) heuristics
B) information retrieval
C) trial and error
D) hill-climbing

Information Retrieval

The process of obtaining relevant information from a collection of resources in response to a specific query or need.

Hill-climbing

A mathematical optimization technique that involves iterative progress toward a solution or goal by incrementally improving from the current state.

Heuristics

Mental shortcuts or rules of thumb that simplify decision-making processes, often leading to quicker but sometimes less accurate judgments.