The old mn is my grndfther.eighty－yers－old; likeB．eighty－yer－old; likesC．eighty－yer－old; l

ikThe old mn is my grndfther.eighty-yers-old; like B．eighty-yer-old; likes C．eighty-yer-old; like D．eighty yers old; likesA．eighty-years-old; likeB．eighty-year-old; likesC．eighty-year-old; likeD．eighty years old; likes