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: Different types of rocks weather at different rates. More resistant types of rocks will remain longer.
 Question: John was looking at rocks in the valley and noticed something. The less resistant the rocks he looked at were, the amount they remained was 
 Choices: A)Shorter 
B)Longer
Shorter