阅读下面短文，从短文后各题所给的四个选项（Ａ、Ｂ、Ｃ、Ｄ）中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。
The passengers on the bus watched sympathetically as the attractive young woman with the white cane made her way carefully up the steps. She 1_ the driver and, using her hands to feel the 2 of the seats, walked down and found the 3 which the driver had told her was empty. Then she settled in.
It had been a year since Susan, 34, 4 a medical misdiagnosis (误诊), was suddenly throw into a world of 5 . Mark, her husband, was an Air Force officer and he loved Susan with all his heart. He 6 her how to rely on her other 7 , specifically her hearing, to determine where she was and 8 to adapt herself to the new environment. He helped her befriend the bus drivers who could 9 for her, and save her a seat.
10 , Susan decided that she was ready to try the 11 on her own. Monday morning, she said goodbye and for the first time, they went their 12 ways.
On Friday morning, Susan took the bus to work as usual. As she was 13 the bus, the driver said “Boy, I 14 envy you .” Susan had no 15 what the driver was talking about, and asked “What do you 16 ”
The driver answered, "You know, every morning for the 17 week, a fine-looking gentleman 18 a military uniform has been standing across the corner 19 you as you get off the bus. He 20 you cross the street safely and he watches, until you enter your office building. You are one lucky lady.”
Tears of gratitude poured down Susan’s cheeks.
1. A. thanked B. asked C. discovered D. paid
2. A. location B. shape C. size D. cost
3. A. ticket B. bus C. seat D. bag
4. A. according to B. instead of C. thanks to D. due to
5. A. anger B. darkness C. happiness D. light
6. A. asked B. encouraged C. taught D. praised
7. A. feelings B. sights C. senses D. abilities
8. A. how B. when C. where D. who
9. A. make out B. watch out C. find out D. work out
10. A. Finally B. Luckily C. However D. Besides
11. A. visit B. trip C. bus D. work
12. A. opposite B. separate C. difficult D. usual
13. A. getting on B. getting in C. getting off D. getting up
14. A. must B. may C. will D. do
15. A. idea B. opinion C. way D. thought
16. A. want B. mean C. say D. suggest
17. A. next B. old C. past D. following
18. A. by B. on C. with D. in
19. A. searching B. watching C. calling D. noticing
20. A. looks out B. takes up C. believes in D. makes sure