Which of the following equations represents the distance x, travelled by a body moving on a straight road with a constant speed? [The other symbol have their usual meanings]

• A.x = Ut + \(\frac{1}{2}t^2\)
• B.x = Ut
• C.x = \(\frac{V^2 - U^2}{2a}\)
• D.x = -\(\frac{1}{2} at^2\)