Answer:
The correct answer is: "false".
Explanation:
Although volunteer work is a great way of getting along with people and a great opportunity to expand networks, it is not the most common one. There are a lot of other activities for expanding networks, and the most used nowadays is online networking, by the use of applications, events, chats, foruns, and more. Volunteer work may expand networking at a small level, but not mostly and commonly.
