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【单选题】
下面代码的输出结果是list_1=[1,2,3,2]list_2=['aa','bb','cc','dd','ee']d={}for index in range(len(list_1)): d[list_1[index]]=list_2[index]print(d)A.
{1: 'aa', 2: 'dd', 3: 'cc'}
B.
{1: 'aa', 2: 'bb', 3: 'cc',2:'dd'}
C.
{1: 'aa', 2: 'bb', 3: 'cc'}
D.
{1: 'aa', 2: 'bb', 3: 'cc',2:'bb'}
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