Which of these sentences states an OPINION? A) Ulrich could guess the quarter from whence it came. B) The descending twig had slashed the skin of his face. C) Assuredly there was a disturbing element

Which of these sentences states an OPINION? A) Ulrich could guess the quarter from whence it came. B) The descending twig had slashed the skin of his face. C) Assuredly there was a disturbing element in the forest. D) The neighbour feud had grown into a personal one since Ulrich had come to be head of his family.