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

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：句意：他脸上的表情表示他从没有想到过。这里需要形容词修饰look，修饰和人有关的面容，表情，眼神等，都是用过去分词式的形容词，所以选A。