Team members, customers, sponsors, and someone who uses the product. I think all of them are stakeholders...
Answer:
A. gerund
Explanation:
The phrase in the question is a gerund phrase.
Gerund phrases are marked by verbs with the "ing" ending, and in general terms, they represent an action in course.
The pharse in the question starts with "By singing the song...", thus, it is a gerund phrase.
Answer:
He is able to read people well, and is not easily duped. He is a sincere man who believes in the innocence of others.