Read the passage carefully and give the answer of the question below . One of the most serious problems confronting our country is that of a fast-growing population . In fact it is at the root of many other problems. At the moment, thanks to planning, we are able to produce food and cloth sufficient for our people and even in some excess. But if the population continues to grow at this rate, it will not be long before the surplus turns into a bare minimum and even a deficit. The position in regard to accommodation is even now. Far form satisfactory in spite of our efforts.
The present satisfactory position in regard to food and cloth is due to

Options

A. the fact that the population has been controlled
B. our good luck
C. good rainfall
D. our economic planning