I / PLAYING BADMINTON / NAM / WHEN / MY FRIENDS / CAME / WITH / WA...

17. I / playing badminton / Nam / when / my friends / came / with / was / .

a. I came with Nam when my friends was playing badminton.

b. I playing badminton with Nam when my friends was came.

c. I was playing badminton when Nam with my friends came.

d. I was playing badminton with Nam when my friends came.