Use the passage below to anser the following question.
There were several problems with the common methods of distributing. First of all, there was always the potential for error. Many of the texts copied by hand were done so by the clergy, who were the smartest class in Europe. Even with great care and attention to detail, a word could accidentally be substituted or left out. But, there is always the possibility that a cleric would have their own agenda, and edit manuscripts that were copied on purpose.
Which of the following is the best replacement for the words “left out”? a. forgotten c. deleted b. erased d. omitted