单选题

已知 festival ={"正月初一":"春节","正月十五":"元宵节","五月初五":"端午节","八月十五":"中秋节"},则输出 "正月初一" 对应节日的代码是? (    )

A

print(del festival["正月初一"])

B

print(festival["正月初一"])

C

print(festival.clear())

D

print(festival[1])

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