In this section you have few short passages. After each passage, you will find some items based on the passage. First, read a passage and answer the items based on it. You are required to select your answers based on the contents of the passage and opinion of the author only.
Passage
In its simple form, science has helped man to protect himself from Nature and to overcome which Nature need to be protected from man. He has used Nature's own gifts, not only of metal but even the human brain, to attack Nature. Forests are being destroyed not only to satisfy need but to provide luxuries. The evil effects of deforestation are already making themselves clearly felt in climatic changes and soil erosion. Man has at last begun to learn that he has to protect if he wants Nature to protect him.
The use of science in its simple form has helped man to

Options

A. do such things as building shelter and make carts, boats, etc.
B. make bombs and missiles
C. build facto ties using machinery
D. make planes