HE HAD WORKED VERY HARD BUT HE (AILED.A. HARD AS HE WORKED, HE FAI...

33. - DAP AN CUA ALTHOUGHTHOUGH IN SPITE OF
DAP AN CUA ALTHOUGHTHOUGH IN SPITE OF
33. He had worked very hard but he (ailed.a. Hard as he worked, he failed.b. Thanks to his hard work, he failed.c. He did not succeeded because of his being hard working.d. Even though being hard working, he failed.