We stand poised precariously and challengingly on the razor's edge of destiny. We are now at the mercy of atom bombs and the like which would destroy us completely if we fail to control them wisely. And wisdom in this crisis means sensitiveness to the basic values of life, it means a vivid realization that we are literally living in one world where we must either swim together or sink together. We cannot afford to tamper with man's single minded loyalty to peace and international understanding. Anyone, who does it is a traitor not only to man's past and present, but also to his future, because he is mortgaging the destiny of unborn generations.
The author is concerned about the threat of nuclear weapons because he feels that

Options

A. a nuclear war will destroy human civilization
B. all countries are interlinked and one cannot escape the consequences of what happens to another country.
C. the world is on the brink of disaster.
D. his country is threatened by a nuclear war.

Answer

A