That was the first thing I wondered when I realized that he was n't joking . " He gazed at Goku again . " I suppose I 'll level with you ; we all know that Sanzo has not been himself lately . "
According to the above context, choose the best option to answer the following question.
Question: Why is the narrator wary of Sanzo 's recent behavior ?
Options:
A. Sanzo is showing signs of sadness .
B. Sanzo is showing signs of anger .
C. Sanzo is showing signs of excitement .
D. Sanzo is showing signs of excellence .


A