In the Context of American Culture, Which of the Following

Multiple Choice

In the context of American culture, which of the following is one of the dos for better listening?

A) If you receive text messages or emails, just give them a quick glance.
B) Use your extra mental capacity to summarize what the speaker is saying.
C) Ignore the body language of the speaker and focus on the verbal content.
D) Frown to convey your doubts regarding the point the speaker is making.