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: The more curved the surface of a lens is, the more it refracts the light that passes through it.
 Question: If Mona is building a lens for looking at the stars and she wants to make sure it refracts more light then the one she previously built, will she need to make the surface more or less curved then the one before? 
 Choices: A)less 
B)more
more