Which of the following supporting details does not fit the topic sentence
below?
When it is faced with a big decision, the brain works hard
to compare choices.
O A. Because the brain is like a muscle, it becomes stronger with use;
making hard decisions is actually healthy.
B. People have too many choices today.
C. The bigger the decision, the harder the brain must work.
O D. Studies show increased activity in parts of the brain when a
person is trying to make a decision.