In a regular strophic all verses would be sung to the same melody, but since it's modified then there are differences. Sonatas and rondos are different types of compositions that are not as much related to what the question is about. The others that aren't are usually done in a way to fit the theme of the song.</span>
Strophic is a song form in which every verse ( strophe) of the text is sung to the same musical tune.
In a song with modified strophic form, some verses are sung to the same melody, while others aren't. Correct answer: D
the repeated sections of music have varied or elaborated forms from the basic theme. Example of modified strophic is Schubert's "Des Baches Wiegenlied,".