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: Temperature increases with depth inside the Earth, so melting of rocks is more likely to occur at greater depths.
 Question: James is boring deep into the Earth. His shuttle is more likely to burn up at _____ depths. 
 Choices: A)shallow 
B)deep
deep