The correct answer is B: The teacher ordered not to make noise. This question tests your understanding of converting direct speech into indirect speech, specifically for imperative sentences (commands or requests).
When an imperative sentence like "Don't make noise" is converted to indirect speech, the reporting verb often changes to reflect the nature of the command, such as 'ordered', 'requested', 'advised', or 'told'. In this case, 'ordered' is highly appropriate. The imperative verb is then introduced by an infinitive. For negative imperatives, the structure becomes "not to + verb".
- Option A is incorrect because it retains the direct speech structure.
- Option C uses "said to not make noise," which is grammatically less preferred than "ordered not to make noise" for conveying a command, and "to not make" is a split infinitive, generally avoided in formal writing.
- Option D uses "tells," which is in the present tense, but the original reporting verb "said" is in the past tense, requiring consistency in the indirect speech.
Therefore, "The teacher ordered not to make noise" accurately transforms the command into indirect speech, maintaining the correct tense and structure.