Select the most appropriate preposition to be filled in the sentence given below:

I had been guilty ________ the inappropriate reaction.

of

The correct answer is Option (4) - of

"I had been guilty of the inappropriate reaction."

• Guilty of is the correct phrase used to indicate responsibility for an action or wrongdoing.
• The other options do not fit appropriately in this context:
  • Guilty for is incorrect; "for" typically indicates the reason behind an action rather than the state of guilt.
  • Guilty at does not convey the correct meaning.
  • Guilty in is also not commonly used in this context.