In a multiple-choice item, the stem of the items should be:

The stem of a multiple-choice item should be meaningful, presenting a clear, concise, and complete problem or question. A meaningful stem ensures that the test-taker understands what is being asked before looking at the options, preventing ambiguity and reducing the chance of guessing based on incomplete information. It should ideally be a self-contained question or statement.

• Large (A) or Small (B) refer to length, which is less critical than clarity and completeness. While conciseness is good, a stem shouldn't be so small it lacks meaning.
• Relevant (D) is important for the entire item, but "meaningful" specifically addresses the clarity and completeness of the stem itself.