Who is the greatest and most feared swordsmen during the Edo Age of Japan?

Miyamoto Musashi

Miyamoto Musashi in his prime, wielding two bokken. Woodblock print by Utagawa Kuniyoshi. Miyamoto Musashi ( March 12, 1584, Ōhara-Chō, – June 13, 1645), also known as Shinmen Takezō, Miyamoto Bennosuke or, by his Buddhist name, Niten Dōraku, was a Japanese swordsman, philosopher, strategist, writer and rōnin.

i think the answer is   b.

very carefuly thats what i say