The adjective annoyed is commonly followed by by to indicate the person or thing causing the annoyance. Thus, "She was annoyed by his behavior." is the standard and most appropriate usage. (While annoyed at is also accepted in some contexts, by is the preferred answer for most grammar exams.)
She was annoyed ___ his behavior.
Review the verified answer and explanation for this PPSC Punjab Public Service Commission past-paper question on CampusFin.
Question context
This question is part of 🗣️ Verbal Ability within the broader 🧠 Aptitude Mastery subject and appears in the PPSC Punjab Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.