Once the spring semester begins (therefore as of the weekend prior, when there are no more business days left before the start), the English department's policy changes regarding D-clearance. Waitlists are no longer utilized, and instead ENGL sections may be added just at the instructor's discretion. Please find full instructions on the procedure used during Add/Drop on our FAQ page here:
https://dornsife.usc.edu/engl/undergraduate-faq/