Which option provides the BEST analysis of the article's introduction (paragraph 1)?
(A) The introduction effectively identifies the two most common negative and positive emotions and details
how the scientific community came to understand the nature of these and other emotions.
(B) The introduction uses general examples to engage readers with the topic of emotions and emphasizes
the importance of using recent research to understand our emotions.
(C) The introduction effectively describes stimuli that cause people to feel positive and negative emotions
and implies that recent scientific studies have shown that emotions are easily controlled,
(D) The introduction provides persuasive evidence that emotions are always with us and that scientists in
recent years have made many groundbreaking discoveries about emotions that completely change our
previous understandings