Context: " I thought I 'd make sure you were feeling all right . " Sanzo 's eyes narrowed in a frown . Hakkai 's brow furrowed slightly as he continued , watching Sanzo intently .

Question: Why would Sanzo frown in response to Hakkai making sure he felt all right ?
Options:
0. Hokkai may have thought it 's none of Sanzo 's business .
1. Sanzo may have watched none of Hokkai 's business .
2. Sanzo may have thought it 's none of Hokkai 's business .
3. None of the above choices .
Answer: 2