______ CATCH UP WITH HIS STUDIES, HE WORKED THROUGH THE SUMMER. A...

30. - 25 DE THI HOC KI 1 MON TIENG ANH LOP 12 CO DAP AN
25 DE THI HOC KI 1 MON TIENG ANH LOP 12 CO DAP AN

30. ______ catch up with his studies, he worked through the summer.

A. While

B. In order to

C. Despite

D. Due to