题目选项分析

Based on the analysis of musicologists who focused on Beethoven's early manuscripts, he had often created sketches of musical motifs to which he would frequently make significant revisions weeks or even months later and that these preliminary ideas were included in much larger works that often underwent numerous revisions themselves.

The analysis of musicologists focusing on the early manuscripts of Beethoven indicates that the composer would often create sketches of musical motifs to which he would frequently make significant revisions weeks or even months later and that these preliminary ideas were included in much larger works that often underwent numerous revisions themselves.