The woman shown in Christina’s World appears rather young, but in real life, the subject was a middle-aged woman. Wyeth, who lived in the Maine countryside, looked out his window one day and saw his neighbor crawling across the pasture. Many claimed that the woman feared she would contract a disease called polio, but no one knows for sure. Which would correctly identify the author's meaning for the word contract? Consider the effect of the stressed or unstressed syllable in the word contract.