everyone needs friends完形填空~

everyone needs friends完形填空~
Everyone needs friends .We all like to feel close to someone .It is nice to have a friend to talk ,laugh ,and do thing with .Surely ,there are times when we need to be alone .We don't always want people （around） .But we would feel lonely if we never have a friend .
这是一个完形填空哈,原题是选A all over B around C alone D away CD两项可以排除,但为什么不选A选B呢?