Read the text and choose the correct options.
He first wrote a report on a week's trip on the Concord and Merrimac rivers. This book did not sell very well, and one time he carried home from the publishers seven hundred copies that no one would buy, saying: “Well, I have quite a respectably sized library now — all my own writing, too!” His sense of humour never _____ him.

• failed
• turned
• spoiled
• ruined