Which of the following is a step in the proofreading process?
A. Checking for proof of authorship
B. Checking secondary sources
C. Checking primary sources
D. Checking for spelling
Proofreading involves reviewing a document to identify and correct errors in grammar, punctuation, spelling, and formatting. Checking for spelling is one of the essential steps in the proofreading process.
Therefore, the Correct Answer is D.