Final answer:
Beethoven's Fifth Symphony starts in C major and ends in D minor, signaling the victory over the conflict and struggle of the first movement.
Step-by-step explanation:
The correct answer is d) C major, D minor.
Beethoven's Fifth Symphony starts in C major and ends in D minor. This change in key from major to minor signaled a shift in mood and represented the victory over the conflict and struggle of the first movement.
The symphony opens with the iconic four-note motif in C major, which sets the tone for the rest of the piece. As the symphony progresses, it goes through various musical themes and developments, ultimately leading to a triumphant finale in D minor.