Which excerpt is the best example of an appeal to ethos?

Answer:
I believe the answer is A.
Explanation:
Ethos is the appeal to emotion, morality, etc. Discussing the number of hungry people doubling to numbers in the millions appeals to this.
Answer:
The answer is D: Robert Zoellick, president of the world bank, warns that the rising prices are a threat to global growth and social stability
i literally answerd the question and i got it wrong and the right answer was D