Read the following excerpt from " Sell a Dog" by Mark Twain: Twenty-four dollars a week would really have been riches to us if we hadn't had to support that jug, because of the jug we were always sailing pretty close to the wind. What is the role of the idiom in this sentence? A. To communicate Twain's disapproval of Swinton's fondness for whiskey B. To explain how the partners' fortunes were dependent on an outside force C. To explain that bad habits are creating a bad financial situation D. To show that Twain was used to living a hand-to-mouth existence