Context: " That \'s why I thought you might be ill . " Sanzo \'s frown deepened as he stared at the ground and ran a hand through his hair in distraction . " ... I \' m sorry , " he mumbled , shocking Hakkai and not paying attention at all to what he was saying as he retreated back inside .
Question: Why might have Hakkai been shocked by Sanzo ?
Option 0: Hakkai might not have been expecting to hear Sanzo say he was sorry .
Option 1: Hakkai might have been expecting to hear Sanzo say something .
Option 2: Hakkai might have been expecting to hear Sanzo say he was sorry .
Option 3: Hakkai might not have been expecting to hear Sanzo say he was not sorry .
Answer: 0