<p>Managers are asked to check up on the ongoing construction work <b>periodically</b> to ensure that it does not pose a safety risk.</p><p>The correct answer is <span>(B) periodically</span></p><p>The sentence is asking managers to perform regular checks on the ongoing construction work. The word "periodically" means at regular intervals or from time to time, which fits perfectly in the sentence. </p><div><br></div><div>The word "uniformly" means consistently or evenly, but it doesn't make sense in the context of checking construction work. </div><div>The word "randomly" means without a specific pattern or order, which wouldn't be effective for ensuring safety. </div><div>The word "promptly" means quickly or without delay, which is not the intended meaning in this sentence.</div>