Which of the Following Statements Is TRUE? I

Multiple Choice

Which of the following statements is TRUE? I. China and the Soviet Union tried to centrally plan their entire economies. II. To many people's surprise, including economists, central planning proved successful in Eastern Europe. III. President Nixon ordered gas stations closed on Sunday, an example of central planning.

A) II and III only
B) I, II, and III
C) II only
D) I and III only