He was told that it would be at least three more months he could receover and return to work.
A. when
B. before
C. since
D. that
网友回答
A. when
(答案→)B. before
C. since
D. that
解析：考察连词。 A.当……时 B.在……之前 C.自从……以来 D.那个，引导定语从句。句意：他被告知在他完全康复重新工作之前，最好要有三个月的时间。故选B。