单选题

执行以下程序

l=['i','love','you','!']
l='.'.join(l)
l=l.split('.')
l=' '.join(l)
print(l)

运行结果是?

A

iloveyou!

B

i.love.you.!

C

i love you !

D

['i', 'love', 'you', '!']

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