Which of the following is the best example of an appeal to pathos?

a. "this is partly because the price of rice, which feeds almost half of humanity, has remained relatively stable; and partly because it is mainly the higher-quality wheat and maize . . that has got much more expensive."
b. "on wednesday, the food and agriculture organisation (fao) reported that global food prices had hit a record high and were likely to go on rising."
c. "some experts warned that the world could be on the verge of a 'nightmare scenario' of cut-throat competition for the control of shrinking supplies."
d. "robert zoellick, president of the world bank, warns that the rising prices are 'a threat to global growth and social stability,' and nicolas sarkozy has identified them as a priority for the g20, which he chairs this year."