I would be said that that the letter might reveal he is compassionate. (option D) this might be seen especially in the sentence "<span>which allowed me no room for hesitation", it seems that he was following his heart to fulfill its request, so he could not hesitate, he obeyed immediately. </span>
"<span>A shortened, paraphrased version of a text that mentions its key points" would be the proper definition of a summary. Without mentioning the key points, it cannot be a god summary. </span>