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 hotter a resistor becomes the more resistance it has.
 Question: Paul measured a resistor's temperature at 20C. Another resistor he measured at 30C. If both resistors are the same type, which offers less resistance? 
 Choices: A)20C 
B)30C
20C