Answer:
Your answer would be A.
Explanation:
To divide fractions you use the concept Keep Change Flip or KCF. 
So 2/5 divided by 1/4 
Keep 2/5 the same,
change the division sign to multiplication 
Flip the 1/4 to 4. 
Then solve
Your answer is A and the answer to the division problem is 8/5 or 1 3/5