Creates a form of alliteration that is easily remembered
Option D.
<u>Explanation:</u>
Rhyme is used to make the poem musical and to have a pattern which is musical to use. To make use of rhythm, it makes it easier for the readers to remember the poem in that particular format of recitation having certain music.
It aids as the memory of the recitation of the poem. The use of rhyme also gives the readers the predictable pleasure to read the poem and make it enjoyable for the people.
The main verb would be "indicated", being that "research" (which is the main subject) is what's doing the action, which is indicating.
The whole sentence is basically about the research indicating... etc.
