The look on his face showed that he hadn’t expected it.A. astonishedB. astonishingC. being

问题补充：

The look on his face showed that he hadn’t expected it.

A. astonished

B. astonishing

C. being astonished

D. having astonished

答案：

(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。