A 112-year-old Japanese living man has been crowned the world’s oldest male, whose name is__________?

A. Masazo Nonaka
B. Chitetsu Watanabe
C. Kane Tanaka
D. None of these

A 112-year-old Japanese man has been crowned the world’s oldest male, claiming that smiling is the key to longevity. Chitetsu Watanabe, who was born on March 5, 1907, in Niigata, north of Tokyo, was officially given the title at his nursing home in the city, Guinness World Records 12 February 2020.