though [C] instead [D] therefore 6. [A] even if [C] only if D]as讦f 7. [A] distinguishing discovering [C] determining [D] detecting 8. [A] diluted dissolved [C] dispersed [D] diffused 9. [A] when sInce [c] for [D] whe 10. [A] unusual particular [C] uniquethough [C] instead [D] therefore 6. [A] even if if only [C] only if [D] as if 7. [A] distinguishing discovering [C] determining [D] detecting 8. [A] diluted dissolved [C] dispersed [D] diffused 9. [A] when since [C] for [D] whereas 10. [A] unusual particular [C] unique