The answer is C. "Robert Zoellick, President of the word bank, warns that the rising prices are 'A threat to global growth and social stability.'"
Ethos is meant to make an appeal through credibility and trust. Including a quote from an individual of a trusted position in relation to this topic is the best way of having a credible source, which is an example of ethos.
His lungs must be replaced each day. His body does not experience pain. Both are correct answers.
