What Has Been Determined by Cross-Cultural Research in Japan and the United

What has been determined by cross-cultural research in Japan and the United States (U.S.) about the characteristics related to wisdom?

A) People from the U.S. showed greater wisdom with age, but Japanese people showed evidence of wisdom throughout their life spans.
B) Both Japanese people and people from the U.S. showed evidence of wisdom throughout their life spans.
C) Japanese people showed greater wisdom with age, but Americans showed evidence of wisdom throughout their life spans.
D) Both Japanese people and people from the U.S. showed evidence of wisdom with age.