Final answer:
The first movement of the Moonlight sonata does not follow a modified song form.
Step-by-step explanation:
The correct answer is (c) modified song form. While all the other options - a. traditional opposition of themes and key areas, b. two strophes separated by a development section, and d. elements of development - describe elements of the form of the first movement of the Moonlight sonata, (c) modified song form does not. The first movement of the Moonlight sonata is written in Sonata form, which consists of an exposition, development, and recapitulation sections. It does not follow a modified song form.