In a recent analysis of lyrical trends in 350,000 songs, researchers cite increases in certain measures, such as the ratio of choruses to verses, as evidence music lyrics are becoming more repetitive. For instance, from 1970 to 2020, blank chorus-to-verse ratios trended similarly, with each genre’s data indicating that relative to the number of unique verses, the number of repeated choruses in songs increased.
Which choice completes the text so that it conforms to the conventions of Standard English?