A. of
B. by
C. to
D. at
🧠 Explanation:
In “Mona is afraid of spiders,” “of” is the correct preposition. For English students, this highlights grammar, making it a key topic for studying linguistic clarity, sentence structure, and communication. Prepositions clarify fear. Understanding this improves grammatical precision. It’s essential for mastering grammar in communication. Studying prepositions offers insights into how language conveys emotions, crucial for English, journalism, and communication.