阅读短文，从每题所给的四个选项（A、B、C 和 D）中选出最佳选项。
C
Do you know what an English first name means(意思)? Do you want a good name for your baby boy? Here is a list of British, American and Australian first names for boys and you can know what they mean. Then you can choose(选择)a meaningful name for your baby boy.
Name | Meaning(意思) | Name | Meaning |
Albert | bright | Bond | farmer |
Austin | helpful | Bryant | strong |
Blaine | thin | Byron | bear |
Curt | short or little | Dave | beloved |
Douglas | dark | George | farmer |
4NO + 6H2O，则X的化学式为（ ）