Your Answer is

Correct Answer is F

Explanation

From the question, we can know that the factors of 54 are 1, 3, 6, 9, 18, 54. Since y is less than 10, then y² is 1, 3, 6 or 9. Since y is an integer, the value of y can be plus or minus 1 or plus or minus 3, so choose F