完形填空。 My mother often asked me, 'What is the most important part of the body?'Through the years. I would guess at l I thought was the correct answer. When I was younger ,l thought sound was very important to us as humans ,so I said ,'My 2 , Mommy. ' She said, 'No. Many people are deaf. But you 3 thinking about it and I will ask you again  soon'. Then last year, my grandpa 4 . Everybody  was hurt. Everybody was crying. My mom looked at me when it was our _ 5 to say our final goodbye to  Grandpa. She asked me, 'Do you know the most important body part yet, my dear?' I was shocked _6 she asked me this now .l always thought this was a between her and me. She saw the confusion (迷惑) on my face and told me, 'This 7 is very important.lt shows that you have 8 lived your life.'I saw her eyes well up  with tears (眼泪) . She  said, 'My  dear, the  most  important body part is your shoulder. ' I asked ,'is it because it holds up your head?' She replied ,'No ,it is because it can hold the head of a friend or loved one when they 9 . Everybody needs a shoulder to cry on sometimes in life,  my dear. l only hope that you have enough love and 10 that you will have a shoulder to cry on when you need it. ' (     )1. A. if (     )2. A. ears (     )3. A. feel (     )4. A. worried (     )5. A. need (     )6. A. when (     )7. A. experience (     )8. A. easily (     )9. A. sleep (     )10. A. visitors B. what B. eyes B. stop B. visited B. chance B. unless B. answer B. really B. think B. friends C. that C. body C. keep C. died C. duty C. before C. problem C. carefully C. laugh C. classmates D. whether D. head D. forget D. came D. turn D. but D. question D. especially D. cry D. teachers