________, 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 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

Impressive _____, it fades next  _____ the story of Armstrong's struggle against disease．

A．as is the record; by                            B．as is the record; on

C．as the record is; for                          D．as the record is; to