You are given a short paragraph, a question and two choices to answer from. Choose the correct answer based on the paragraph and write the answer(not the key).

[Q]: Paragraph: When a person exercises regularly, and is fit, the heart undergoes certain long-term adaptations. The heart muscle gets stronger, and expels more blood with each contraction.
 Question: Compared to an obese person who has never exercised, would an Olympic sprinter in perfect condition be more likely to have a heart that can, with each beat, move 
 Choices: A)more blood 
B)less blood?
[A]: more blood


[Q]: Paragraph: Exercising muscles increases their size, and bigger muscles have greater strength.
 Question: Brad wants to go to the gym less regularly, so that his muscles will get smaller. Another aspect of having smaller muscles means that Brad will likely be 
 Choices: A)stronger 
B)weaker
[A]: weaker


[Q]: Paragraph: The closer the charged objects are, the stronger the electrostatic force.
 Question: If we have a static charged balloon and take it away from your head _____ hairs will stand up 
 Choices: A)less 
B)more
[A]:
less