jessic and joyce were best friend.Then one day,after a misun

jessic and joyce were best friend.Then one day,after a misunderstanding,joyce stopped talking to jessica ……（省略无用词句）The next semester,jessica tried again.This time,joyce was willing towork it out.It took some time and effort,but the friendship was healed(治愈)
what can we conclude from the story
A.There was a misunderstanding between them
B.They have rebuilt their friendship presently
我想问为什么A不选呢?