Answer:
B. Use the word processing software to enter footnotes.
Explanation:
The following options are missing in the question:
A. Use a Works Cited list instead of footnotes.
B. Use the word processing software to enter footnotes.
C. Use an asterisk (*) instead of different numbers for each note.
D. Use endnotes instead of footnotes.
Word processing software allows the user to enter footnotes and the number associated to each note is automatically generated by the software, so that, if a footnote is deleted all the other footnote's numbers are automatically updated.
