下列哪个选项是正确完成信用卡类型数量柱形图绘制的代码？并且能保证绘图时中文不乱码。

A.import matplotlib.pyplot as plt
Creditcard['type'].value_counts().plot(kind='bar')
plt.show()

B.from pylab import mpl
mpl.rcParams['font.sans-serif'] = ['Arial']
mpl.rcParams['axes.unicode_minus'] = False
Creditcard.type.plot(kind = 'bar')

C.from pylab import mpl
mpl.rcParams['font.sans-serif'] = ['Songti SC']
mpl.rcParams['axes.unicode_minus'] = False
Creditcard['type'].value_counts().plot(kind = 'bar')
plt.show()

D.import matplotlib.pyplot as plt
plt.bar(Creditcard['type'].value_counts().index, Creditcard['type'].value_counts().values)
plt.show()

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