Concept:The phrase “widow's mite” refers to a very small gift given with great sacrifice, especially by someone who has very little.Explanation:The expression comes from the story of a poor widow who gave only two small coins, but that was everything she owned.So it describes a contribution that is small in amount but is all the person could afford to give.Ivan's donation was his “widow's mite,” meaning he gave all that he had, not just a tiny part of his wealth.Thus, the most appropriate interpretation is that Ivan gave all that he had.Answer:C. gave all that he had