Final answer:
Franz Schubert managed to use a simple idea with a single-line instrument and no accompaniment to fashion a brilliant and compelling piece of music.The correct option is D.
Step-by-step explanation:
The composer who managed to use a simple idea with a single-line instrument and no accompaniment to fashion a brilliant and compelling piece of music is Franz Schubert.
Schubert, an Austrian composer from the Romantic era, is known for his composition called Erlkönig. This piece is performed by a solo singer with a piano accompaniment, and it tells a dramatic story using a single melodic line.
Schubert's ability to create a captivating musical experience with minimal resources is a testament to his talent and creativity.The correct option is D.