After so many trials; the experiment ________? by Sunday | Jan 8 | English Language JAMB | 0 comments A. paid up B. paid for C. paid out D. paid off Correct Answer: Option D – paid off Users Also Read These:A radioactive substance of mass 768g has a half-life…Thankfully the disease has gone into ________; it…The parliamentary session degenerated into ________…Before his marriage, the Duke had led an austere…The half life of a radioactive substance is 14 days.…