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).

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: If you spend a lot of time working out your muscles will be 
 Choices: A)smaller 
B)larger
larger

Paragraph: Its harder to overcome friction between heavier objects and the floor than it is between lighter objects and the floor.
 Question: If you tried to push a sack of unpopped popcorn or a sack of popped popcorn, both of the same volume, would it be easier to push the 
 Choices: A)sack of unpopped popcorn 
B)sack of popped popcorn?
sack of popped popcorn?

Paragraph: The more the baby suckles, the more prolactin is released, which causes more milk to be produced.
 Question: Will is one year old and breastfeeds from his mother. He suckles more and more. The mother produces _____ milk in response. 
 Choices: A)more 
B)less

more