Which of the Following Statements Is True? I

Multiple Choice

Which of the following statements is true? I. Compared to a modern economy, the division of knowledge was greater in a primitive economy because every family grew its own food, made their own clothing, and constructed their own shelter. II. Nobody understands the entire process of producing even the simplest of products in a modern economy, like a lead pencil. III. The collapse of communism and the opening of the Chinese economy to the rest of the world have increased the division of knowledge, leading to increased world output.

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