실시간 검색 더보기

Despite 빈칸  additional supplies for the building site, the construction was still behind schedule.

보기 A. has received

       B.  was receiving

       C.  will receive

       D.  having received

 

머가 답이고 나머지가 왜 답이 아닌지 좀 알려주세요 ㅠㅠ