Answer :
The phrase "being done"in the excerpt simply means finished or completed.
The narrator comments on numerous forms of illegal migratory operations in and near neighboring countries to the United States on page 290, just as he did in the previous segments of the writ.
In the section where the underlined phrase refers, the narrator recites his belief that immigration papers for prospective laborers/immigrants are being arranged and completed by Steam Ship Agents located in Switzerland.
The correct answer, therefore, is C.
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