Analysis of test questions: "crying in cow clothes" in item B means sleeping in cow clothes and crying relatively. Describe that husband and wife live a poor life together. Suitable for the context of this sentence. The "dim sum" in item A refers to dressing before dawn and eating after dark, which describes diligence. It doesn't match the context of this sentence. The "generosity" in item C describes generosity and willingness to give money to help others. Not suitable for the consumers mentioned in this sentence. Item D, "Pen Walking the Dragon and Snake", describes vigorous and lively calligraphy. Not in the context of this sentence.