Answer: Option(A) is correct
Step-by-step explanation:
According to the question,homosexuality in Steve cannot be due to intimidated behavior of his mother and unassertive masculine role performed by his father.Sexual identity of Steve will be due to sexual orientation in which he can be attracted or have romantic feeling towards same sex.
Other options are incorrect because certainty about homosexuality ,bisexuality or heterosexuality of Steve are not the reason that can lead to clear conclusion.thus, the correct option is option(A).