The Culture and Human Behavior Box "Ways of Seeing" Discusses

The Culture and Human Behavior box "Ways of Seeing" discusses research comparing brain functioning in East Asian and U.S. participants while they made absolute and relative perceptual judgments. The results showed that:

A) both groups were equally proficient at the task.
B) both groups used the same brain regions in making the perceptual judgments.
C) the U.S. participants showed greater brain activation while making relative judgments, whereas the East Asians showed greater brain activation in making absolute judgments.
D) All of these answers are correct.