________, I decided to stop trading with them.
Despite of the fact that they were the biggest dealer
Though being the biggest dealer
Being the biggest dealer
Even though they were the biggest dealer
Correct Answer: EASY
Contrast structure: In spite of/ Despite + N/V-ing/the fact that SVO, SV O.
= (Even) though SVO, SV O. (Although…, but…).
Although they are the biggest dealers, I decided to stop doing business with them.