The look on his face showed that he hadn’t expected it.
A. astonished
B. astonishing
C. being astonished
D. having astonished
网友回答
(答案→)A. astonished
B. astonishing
C. being astonished
D. having astonished
解析：考查现在分词与过去分词的区别。astonished常用于修饰人或表情；astonishing用于修饰物。故答案为A。