Initial setup of CentOS Linux 7 (core)                                                             
1) [x] Creat user 2) [!] License information
(no user will be created) (license not accepted) 
Please make your choice from above [‘q’ to quit | ‘c’ to continue | ‘r’ to refresh]: 
解決方法： 
輸入“1”，按Enter鍵 
輸入“2”，按Enter鍵 
輸入“q”，按Enter鍵 

輸入“yes”，按Enter鍵 

至於問題所在，官網有出現解釋備註如下

另外一種解決方法是: 
press 1, the screen changes slightly:

1) Read the License Agreement 
[ ] 2) I accept the License Agreement

press 2, this will select the checkbox

[X] 2) I accept the License Agreement 
press c, a confirmation will be displayed, stating that you accepted the license

press c again and you’ll find the login prompt

其實就是： 
輸入“1”，按Enter鍵 
輸入“2”，按Enter鍵 
輸入“c”，按Enter鍵 

輸入“c”，按Enter鍵