Answer :

B and C cant be it because its not a whole number and it is .4 so it cant go up one making D the only possible choice.
D, 25, because if its less than 5, you keep the number the same, however, if its 5 and up, you round up.In this number the tens place contains a 4, so you have to round the same. In conclusion, 25.41 is rounded to 25, so your answer is D.