Which of the following types of edits to direct quotes is inappropriate?

select one:

a. using brackets to add clarifying text
b. leaving out text with an ellipsis
c. indicating errors in the original
d. correcting errors in the quote

The following types of edits to direct quotes are appropriate except:

c. Indicating errors in the original

This type of edit can create mistakes instead of correcting the quotes while all the other three choices must be practiced to construct quotes in an accurate manner. 

The correct option is C.
A direct quote refers to a statement that is copied from an original source which is used in one's write up. Quotation mark is usually used to set off an original statement that is borrowed from another source, its involves incorporating another person's exact writing into one's write up. In the process of editing direct quote it is not appropriate to indicate errors in the original statement. 

Carbon dating is one

Do you have any idea how to summarize it ? i'm willing to , but not do it for you.