Çözüldü Tense Agreement and Time Consistency

In a wireless telegram that was sent to me personally, I was informed that the Allied Powers _______ the requisite authority to their consuls at İzmir to enter into negotiations with me, and I was requested to decide what day and at what place I would grant them an interview. I replied that we would be at Nif on September 9, 1922. It happened that I was at Nif on that very day, but those who _______ for the interview were not there; for our armies, which were already on the quais at İzmir, _______ the first goal, which I had indicated to them by pointing them to the Mediterranean.

A) were going to give / will have begged / to reach
B) had been given / would have begged / will have been reaching
C) will give / were going to beg / have been reaching
D) had given / had begged / had reached
E) have given / would have had begged / to have been reached

Correct Choice: D (had given / had begged / had reached)
Explanation: Past perfect tense
Source: The Great Speech by Marshall Mustafa Kemal Atatürk, Pages 679 - 680