I'm guessing the word that is italicized capacious because in this case it is synonymous with vast, meaning that he has a developed mind with broad views.
The answer is D: regretful
The writer describes one realistic situation in South Africa. He tells about the <em>attitude of thousands of white South Africans</em> concerning some privilages they have, <em>their unwillingness to forsake them for the good of others</em>, nor even the smallest part. <em>The writer finishes </em><em>regretting that the sad and selfish condition of these people will follow them until the day they die.</em>
22.5 is the answer, have a great day!