Which sentence uses the proper MLA style for an in-text citation with an attributive phrase?

A. The author went on to state, “these early results should not be seen as proof that the happiest cows come from California” (Green 47).


B. The author went on to state, “these early results should not be seen as proof that the happiest cows come from California (Green, 2004, p. 47).”


C. The author (Green) went on to state, “these early results should not be seen as proof that the happiest cows come from California (47).”


D. The author went on to state, “these early results should not be seen as proof that the happiest cows come from California” (Green).