Answer:
A.True
Step-by-step explanation:
Twitter is a social media platform where people easily voiced their opinions by posting sentences, and easily people they want to inform about those opinions.
It was built in a way that, both followers of the "tagged" and "taggee" can easily see the post and comment on their opinions. This has helped a lot of professionals in the communication industry to gather relative knowledge or opinions of the general public on a particular issue.
Hence, it is TRUE that using Twitter to monitor public sentiment and influence public opinion has become critical skills for PR professionals working for both business and nonprofit organizations.