阅读下面短文，掌握其大意，然后从各题所给的四个选项中，选出最佳选项，并涂在答题卡上。
My mother used to ask me what was the most important part of the body. Through the years I would   21   what I thought was the correct answer. When I was younger, I thought   22   was very important to us as humans, so I said, “My ears, Mommy”. She said, “No. Many people are   23  . But you keep thinking about it and I will ask you again soon.”
Several years passed   24   she asked me again. Since making my first   25  , I had often thought of the correct answer. So this time I told her， “Mommy, sight is very important to everybody, so it must be our eyes.” She looked at me and told me, “You are   26   fast, but the answer is not correct because there are many people who are blind.”
  27   the years, Mother asked me a couple more   28   and always her answer was, “No, but you are getting   29   every year, my child.” Then last year, my Grandpa died. Everybody was crying when it was our   30   to say our final good-bye to Grandpa. Mom asked me, “Do you know the most important body part yet, my dear?”
I was   31   when she asked me this now. I always thought this was a   32   between her and me. She saw the   33   on my face and told me, “This question is very important. It shows that you have really   34   your life.” I saw her eyes well up with tears. She said, “My dear, the most important body part is your   35  .” I asked, “Is it because it holds up your head?” She replied, “No, it is   36   on them a crying friend or loved one can rest their head. I only hope that you have enough   37   and friends that you will have a shoulder to cry   38   when you need it.” Then and there I knew the most important body part is not a   39   one. It is sympathetic to the pain of   40  .

A．notice B．believe C．doubt D．wonder

A．love B．health C．sound D．sight

A．blind B．deaf C．lame D．foolish

A．while B．once C．after D．before

A．discovery B．decision C．attempt D．suggestion

A．learning B．thinking C．growing D．changing

A．Before B．Till C．Beyond D．Over

A．ways B．things C．questions D．times

A．stronger B．taller C．smarter D．nicer

A．duty B．turn C．pity D．chance

A．shocked B．satisfied C．interested D．excited

A．game B．test C．match D．job

A．worry B．puzzlement C．regret D．pain

A．enjoyed B．found C．disliked D．lived

A．shoulders B．feet C．hands D．hair

A．how B．because C．why D．whether

A．respect B．favor C．love D．fun

A．by B．on C．above D．for

A．valuable B．useful C．selfish D．precious

A．others B．the deaf C．Grandpa D．the blind