According to MLA guidelines, which of these quotes the passage correctly?
a. Murray writes, "[Potatoes] were nutritious and cheap and simple to grow" (4).
b. Murray reports, "Irish farmers and animals went hungry without the potato" (4).
c. Murray says, "One-fourth of Ireland's population was lost during the famine" (4).
d. Murray states, "[Irish peasants] each ate an average of 10 potatoes a day" (4).