题目3单选题
下列选项中,程序运行的效果为圆环图的是( )A. import numpy as np import matplotlib.pyplot as plt data = np.array([20, 50, 10, 15, 30, 55]) pie_labels = np.array(['A', 'B', 'C', 'D', 'E', 'F']) plt.pie(data, labels=pie_labels) plt.show()B. import numpy as np import matplotlib.pyplot as plt data = np.array([20, 50, 10, 15, 30, 55]) pie_labels = np.array(['A', 'B', 'C', 'D', 'E', 'F']) plt.pie(data, radius=1.5, labels=pie_labels) plt.show()C. import numpy as np import matplotlib.pyplot as plt data = np.array([20, 50, 10, 15, 30, 55]) pie_labels = np.array(['A', 'B', 'C', 'D', 'E', 'F']) plt.pie(data, radius=1.5, explode=[0, 0.2, 0, 0, 0, 0],labels=pie_labels) plt.show()D. import numpy as np import matplotlib.pyplot as plt data = np.array([20, 50, 10, 15, 30, 55]) pie_labels = np.array(['A', 'B', 'C', 'D', 'E', 'F']) plt.pie(data, radius=1.5, wedgeprops={'width': 0.6},labels=pie_labels) plt.show()