They stood there and each other as if they were going to fight.
A. spied on
B. stared at
C. glared at
D. looked into
网友回答
A. spied on
B. stared at
(答案→)C. glared at
D. looked into
解析：A. spied on暗中监视，B. stared at凝望，C. glared at怒目而视，D. looked into调查，句意：他们站在那里，彼此怒目而视，好像他们要打架。所以选C。