Detailed Instructions: 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 your brain senses that your body temperature is increasing, it sends messages to the blood vessels in the skin to increase in diameter.
 Question: Derek felt cold as he stood in the shade, and since his body was cooling down, he knew that his blood vessels in his skin were 
 Choices: A)expanding 
B)contracting
A:
contracting