Visitors were at the pictures that the guide showed.
A. amazed; amazing
B. amazed; amazed
C. amazing; amazing
D. amazing; amazed
网友回答
(答案→)A. amazed; amazing
B. amazed; amazed
C. amazing; amazing
D. amazing; amazed
解析：考查分词转换的形容词。现在分词转换的形容词常常对事物进行修饰，过去分词转换的形容词常常对人进行修饰。Amazed感到惊讶的；amazing令人惊讶的；惊讶：看到向导展示的那张令人惊讶的图片，游客们都很惊讶。故A正确。