From a Tibetan Perspective,the Concept of Beat,or Brdung

From a Tibetan perspective,the concept of beat,or brdung:

A) corresponds to the Western concept of a steady pulse.
B) is similar to the Western concept of duple meter.
C) refers to one strike on any percussion instrument.
D) is a series of accelerating,unequal pulses.
E) consists of a single cymbal strike.