Each set of the following sentences comprises four alternatives labelled as 'A','B','C', and 'D'. Candidate is required to select the most suitable alternative which conveys the exact meaning in accordance with the correct grammatical rules.

Options

A. She had waited long before her husband had returned.
B. She waited long when her husband returned.
C. She had waited long after her husband returned.
D. She had waited long before her husband returned.

Answer

D