单选题

运行如下程序,结果是?( )

l=[1,"laowang",3.14,"laoli"]

        l[0]=2

        del l[1]

        print(l)

A

[1, 3.14, 'laoli']

B

[2, 3.14, 'laoli']

C

["laowang",3.14, 'laoli']

D

[2,"laowang",3.14,]

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