The correct option is C January, April
Given year is a leap year. Count the number of odd days from the month January onwards to get the sum equal to 0 odd day.
Jan have 3 odd days,
Feb have 1 odd days,
Mar have 3 odd days.
So, total number of odd days = 3 + 1 + 3 = 7 days or 1 week and 0 odd day.
Therefore, the month of January and April will have the same calendar in a leap year.