单选题

运行下面程序,输出的结果是(    )。

dic = {1: "red", 2: "yellow", 3: "blue", 4: "green", 5: "black"}

for k, v in dic.items():

    if k >= 4:

        print(v)

A

red

yellow

B

yellow

blue

green

C

green

black

D

不输出任何内容

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