Communication technology is an important issue in intercultural communication because: (　　)
选项：

A: it enables us to come into contact with people who are very different from ourselves in ways we do not always understand
B: we are not always able to meet or see people with whom we communicate
C: it is not possible to develop cultural understandings with people over E-mail or other such high-tech communication devices
D: cultural differences disappear when we are able to communicate with people all over the world