Read the following argumentative text and identify its main conclusion:
"In an era dominated by social media, many individuals boast hundreds or even thousands of online 'friends'. However, studies consistently show that having a small circle of genuinely supportive and understanding friends contributes significantly more to one's mental well-being and life satisfaction than a vast, superficial network. Therefore, prioritizing deep, meaningful connections over the sheer number of acquaintances is crucial for true happiness."
A) Social media enables people to have many online friends.
B) Studies reveal that a small circle of friends enhances mental well-being.
C) Prioritizing deep, meaningful connections is essential for true happiness.
D) A vast, superficial network of friends does not contribute to life satisfaction.
E) Online friendships are always less valuable than offline ones.