In each of these questions, choose the most logical order of sentences from among the four given choices to construct a coherent paragraph.

A. Even a farmer can be a knowledge worker despite being illiterate if he understands the soil that he sows in and the nutrients he adds to it.

B. If he has the benefit of weather forecast, he is using knowledge and he becomes a knowledge worker.

C. I want to distinguish between being just literate and being knowledgeable.

D. Essentially, the when and why of it.