Which of the following can be best described as the central idea of the passage

A．Anomalies in theoretical physics notation permit intriguing hypotheses and indicate the need for refined notation of the time dimension.
B．New observations require the development of new theories and new methods of describing the new theories.
C．Einsteinian physics can be much improved in its treatment of tachyons.
D．Time requires a more imaginative approach than tachyons.