A good friend can reduce stress by giving you someone you can talk to and laugh with. A good friend can boost your self esteem by always being there for you.
Answer:
Expressing Opinion, agreeing & disagreeing.
When getting a secondary source one thing to remember is it can be created by an educated expert and published in an academic journal. Also, a firsthand account published in a magazine will also work as a secondary source. So bother A and B will be correct. If only one can be chosen, A would be the better of the two. <span />
What are the options? As soon as you put them on the question I'll be glad to answer your question :)