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 efficient a device is, the greater the percentage of usable energy it produces.
 Question: Theresa made a device that uses 25% of usable energy. Ryan made a device that uses 10% of usable energy. _____ made a device that is more efficient. 
 Choices: A)Theresa 
B)Ryan
[A]: Theresa


[Q]: Paragraph: Solar power is expensive, but as demand increases technology improves and costs decrease.
 Question: If demand for solar power were to fall, the power would become _____ expensive. 
 Choices: A)less 
B)more
[A]: more


[Q]: Paragraph: The development of better missiles fostered better rocket technologies.
 Question: If Mona works in a defense lab and her company develops worse missiles, what happens to the advancement of rocket technologies? 
 Choices: A)decreases 
B)increases
[A]:
decreases