____ it is rainy today, ____ he still works outside.

____ it is rainy today, ____ he still works outside.

________ it is rainy today, ________ the old man still works outside．

1. A.
   Although,but
2. B.
   But,although
3. C.
   /,although
4. D.
   Although,/

 ________ it is rainy today, ________ he still works outside.
A．Although, but     B．But, although

C．/, although       D．Although, /