Topic: Voice,

Best Answer Explained in Below-:

The correct answer is D: "I was annoyed at his conduct." The choice of preposition "at" is significant in English grammar, particularly when expressing feelings or reactions toward actions or behaviors. When stating that one is annoyed "at" something, it indicates a direct relationship between the emotion and the source of that emotion.

In the original sentence, "His conduct annoyed me," the speaker is expressing a feeling of annoyance that is directly triggered by another person's behaviors. To convey this same sentiment in a different structure, we maintain the preposition "at" to specify the source of annoyance.

Option A ("He annoyed me with conduct") alters the focus and suggests a passive construction that is less direct. Option B ("I was annoyed with his conduct") uses "with," which can imply a more neutral or passive feeling, rather than indicating direct annoyance. Option C ("I was annoyed from his conduct") is incorrect because "from" typically implies causation in a broader sense and doesn't accurately capture the direct emotional response to that conduct. Therefore, "I was annoyed at his conduct" effectively preserves the original intention and clearly communicates the speaker’s feelings.