Mark the letter A, B, C, or D to indicate the word(s) OPPOSITE in meaning to the underlined word(s)It was not until 1959, twenty-one years after Carlson invented xerography, that the first c

Mark the letter A, B, C, or D to indicate the word(s) OPPOSITE in meaning to the underlined word(s)

It was not until 1959, twenty-one years after Carlson invented xerography, that the first convenient office copier using xerography was unveiled.