Sentence Correction

The Diary of Anne Frank tells the true story of a young girl and her family that were hidden during the Nazi occupation of the Netherlands by a gentile Dutch couple, though they were eventually discovered.

(A) that were hidden during the Nazi occupation of the Netherlands by a gentile Dutch couple, though they were eventually discovered
(B) that were hidden by a gentile Dutch couple during the Nazi occupation of the Netherlands, though they were eventually discovered
(C) whom a gentile Dutch couple hid during the Nazi occupation of the Netherlands but were eventually discovered
(D) who were hidden by a gentile Dutch couple during the Nazi occupation of the Netherlands but were eventually discovered
(E) who were hidden by a gentile Dutch couple during the Nazi occupation of the Netherlands even though they were eventually discovered

what is the difference between who and that, and but and though?

Hey is the OA D?

ruplun wrote:The Diary of Anne Frank tells the true story of a young girl and her family that were hidden during the Nazi occupation of the Netherlands by a gentile Dutch couple, though they were eventually discovered.

(A) that were hidden during the Nazi occupation of the Netherlands by a gentile Dutch couple, though they were eventually discovered
(B) that were hidden by a gentile Dutch couple during the Nazi occupation of the Netherlands, though they were eventually discovered
(C) whom a gentile Dutch couple hid during the Nazi occupation of the Netherlands but were eventually discovered
(D) who were hidden by a gentile Dutch couple during the Nazi occupation of the Netherlands but were eventually discovered
(E) who were hidden by a gentile Dutch couple during the Nazi occupation of the Netherlands even though they were eventually discovered

what is the difference between who and that, and but and though?

Answer - D ?