HÃY CHỌN MỘT ĐÁP ÁN ĐÚNG NHẤT (A, B, C HOẶC D) CHO MỖI CÂU SAU

77. Helen _______ hospital treatment for a year before the doctors finally _______her their

diagnosis.

A. will receive / is telling B. had received / told

C. receive / tell D. received / had told