Final answer:
The correct word to complete the sentence is 'Ces'. It is the plural form of the demonstrative adjective 'ce', and agrees in gender and number with the noun it modifies and the subject of the sentence.
Step-by-step explanation:
The correct word to complete the sentence is Ces. In French, the word ces is the plural form of the demonstrative adjective ce, which means 'this' or 'these'. It agrees in gender and number with the noun it modifies, cheveux (which is plural) and also agrees in number with the subject of the sentence, homme.
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