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 phrase 'razor's edge of destiny' means a/an

Options

A. enigma that cuts through the pattern of life like the edge of a razor.
B. critical situation that foreordains the future
C. sharp line of division that marks the alternative courses of action in the future.
D. destiny with sharp edges.

Answer

B