A European dairy, which is famous for its rich ice creams, has introduced basil, tomato, fennel, and oregano flavored ice creams. This would be an example of a(n) ( ).
【简答题】设有变量sr="2004年上半年全国计算机等级考试",能够显示"2004年上半年计算机等级考试"的命令是______。 A) ?sr"全国" B) ?SUBSTR(sr,1,8)+SUBSTR(sr,11,17) C) ?STR(sr,1,12)+STR(sr,17,14)D) ?SUBSTR(sr,1,12)+SUBSTR(sr,17,14)