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:In a field experiment, the frequency of water leaf…A ship travelling towards a cliff receives the echo…Even after a century of _________ investigation, the…A radioactive substance of mass 768g has a half-life…The half life of a radioactive substance is 14 days.…