The tone of that expert sounds serious and regretful.
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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>
