Read the following context and choose the best option to answer the question.
Context: Hakkai stepped back in mild shock at the sudden outburst and observed a similar surprise wash over Sanzo 's face leaving a stricken expression at having admitted such a thing . " Oh ? " The healer asked quietly . " Am I correct in guessing that these are not the usual nightmares you suffer ? "
Question: Why is the crowd disturbed by Sanzo 's statement ?
Options: 
A. None of the above choices .
B. Sanzo 's statement is threatening death .
C. Sanzo 's statement is out of the ordinary .
D. Sanzo 's statement is threatening violence .


C