Given the task definition and input, reply with output. 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: Bases have pH values above 7. The higher the pH value, the more strongly basic the substance.
 Question: Christy is in lab measuring the pH values of some substances. The first substance she measures has a pH value of 8. The second substance has a pH value of 9. Compared to the first, the second substance can be said to be _____ basic. 
 Choices: A)less. 
B)more
more