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: The more curved the surface of a lens is, the more it refracts light.
 Question: Jeff built a lens with the lowest refraction possible. The lens is likely _____ curved. 
 Choices: A)very 
B)not
A:
not