Popular singing competition The Voice of China has denied misleading viewers after some noticed the hairstyle of one of the judges changed while she was commenting on a performance. Na Ying's hair at first appeared curly but changed to straight after 16 seconds and then turned curly again after a further 30 seconds. The change aroused suspicion that the show was directed according to a script rather than singers' real performances.
How many times did the judge's hairstyle change?
A. 1
B. 2
C. 3
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