Clue 1 : My number has two digits,and both digits are even.
Clue 2: the sum of my numbers digits is 10.
Clue 3. My number has 4 as a factor.
Clue 4 the difference between the two digits of my number is 6 .
If we see first option: A. 28.
a) Both digits 2 and 8 are even.
b) Sum of 2 and 8 is 10.
c) 28 has a factor 4.
d) Difference between 8 and 2 is 6.
Therefore, correct option is A. 28.