_____, it fades next to the story of Armstrong’s struggle against disease.

　 A．Impressive though the record is　　　　　　 B．As the record is impressive

　 C．Though impressive the record D．to settle it out

________, it fades next to the story of Armstrong's struggle against disease．

1. A.
   Impressive though the record is
2. B.
   As the record is impressive
3. C.
   Though impressive the record
4. D.
   to settle it out

_____, it fades next to the story of Armstrong’s struggle against disease. 

       A．Impressive though the record is      B．As the record is impressive

       C．Though impressive the record is     D．Although impressive the record is

_____, it fades next to the story of Armstrong’s  struggle against disease.

  A. As the record is impressive                             B. As long as the record is impressive  

C. Impressive though the record is                      D. For the record is impressive