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 your brain senses that your body temperature is increasing, it sends messages to the blood vessels in the skin to increase in diameter.
 Question: If Milo has just performed a hard workout and his body temperature decreases, what happens to the size of his blood vessels? 
 Choices: A)decrease 
B)increase
decrease