题目

My husband Val and I had not been getting along well lately. We didn’t argue, but we hardly   41  . I knew that one    42   was that I often scold him. Unluckily, I looked only at his fault（缺点）and forgot to notice how   43   he had done in everything.     I really didn’t want to be   44   talking too much, but it seemed as if I couldn’t   45  . However , I made up my mind to   46   . Could I ?     I decided to try. Each day I would find one thing I liked in   47   and mentioned it to him.     The first day, again, appeared the greates（2009•眉山）如图，点A在双曲线y=上，且OA=4，过A作AC⊥x轴，垂足为C，OA的垂直平分线交OC于B，则△ABC的周长为（ ）A．B．5C．D．