《由
山东省2014
高考仿真冲刺卷（6）改编》
阅读下列短文，从每题所给的四个选项（a、b、c和d）中，选出最佳选项。
all parents know that one of their most important tasks is to prepare their children for an independent life，but any parent can tell you that it’s hard to let go of your children．that balance between keeping your children safe and allowing them to learn from their own mistakes can be heartbreaking．year
