题目

Given that many people's moods (情绪) are regulated by the chemical action of chocolate，it was probably only a matter of time before somebody made the chocolate shop similar to a drugstore of Chinese medicine.Looking like a setting from the film Charlie & the Chocolate Factory，Singapore's Chocolate Research Facility (CRF) has over 100 varieties of chocolates.Its founder is Chris Lee who grew up at his parents' corner store with one hand almost always in the jar of sweets. If the CRF seems to be a smart idea，that's because Lee is not merely a seasoned salesperson but also h将叶片图案旋转180°后，得到的图形是（    ）              A           B            C         D