When a fire broke out in the Louvre, at least twenty _______ paintings were destroyed14/50Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions. When a fire broke out in the Louvre, at least twenty _______ paintings were destroyed, including two by Picasso.worthlesspricelessvaluelessworthyGiải thíchĐáp án B