A. For
B. In
C. Into
D. on
🧠 Explanation:
In “His idleness accounts __ his poverty,” the preposition “for” fits, explaining the cause. For English students, this highlights preposition usage, making it a key topic for studying grammar, linguistic clarity, and sentence structure. Proper prepositions ensure accurate meaning. Understanding this improves writing precision. It’s essential for mastering grammar in essays or communication.