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: Alkanes with more carbon atoms have higher boiling and melting points, so some of them are solids at room temperature.
 Question: John was playing with alkanes in his lab. If he decreased the amount of carbon atoms in an alkane, what would happen to the boiling point of that alkane? 
 Choices: A)decrease? 
B)increase
A:
decrease?