The answer would be A) because C) is a opinion while B) is a fact, and so since neither B) or C) is correct, that leaves out A) since an argument is a discussion between different opinions or facts like for ex what football team is better, falcons or patriots, this is a ex of a argument since one side is arguing against the other.
Answer:
less likely
Explanation:
<em>less likely </em>completes the sentence correctly:
The greater the difference in age, gender, interests, the less likely it is that self-disclosure will occur.