Answer would be D.
Let me give you an example.
Question: Express 0.25 as a percentage.
Easiest method would be to multiply the decimals by 100 and you'll get 25%.
Question: Express 25% as a fraction.
Okay, all percentages are expressed as ____ over 100.
So, 25/100 = 1/4
When 1/4 can also be expressed as a decimal by using a calculator.
1/4 = 0.25
Therefore, answer is all of the above. :)