Which of the Following Imaginary Pieces of Evidence Would Best

Which of the following imaginary pieces of evidence would best support the hypothesis that both positive and negative emotions originate from a single brain hemisphere?

A) A patient with a stroke in one hemisphere becomes highly emotional, manic, and delusional; a different patient with a stroke in the other hemisphere becomes emotionless and almost robotic
B) Stimulating one hemisphere in a rat causes playful exuberance; stimulating the other hemisphere causes fearful aggression
C) EEG recordings of participants viewing facial expressions show left-side lateralization for positive expressions and right-side lateralization for negative expressions
D) All of the above would support the hypothesis