Answer:
d. during his early years in Vienna.
Explanation:
Ludwig van Beethoven -
He is a very well known German pianist and composer . He is considered as one of the greatest composer of all time .
Worked for 45 years and gave 722 works , his works consists of opera , piano sonatas , string quartets , concertos and symphonies.
One of the famous work of Beethoven was the Moonlight sonata , which is composed in the very early years in the Vienna.