50. According to the author, the justice of a social scheme primordially depends on which of the following? I. the way in which the major social institutions distribute fundamental rights and duties II. advantages from social cooperation Ⅲ. the economic opportunities and social conditions in the various sectors of society (A) I only (B) I and II only (C) Il and I'll only (D) I and III only (E) I, II and IIl