What does this work lack? a) instrumentation and time ...

[deesands]

What does this work lack?
 
  a) instrumentation and time signatures
  b) key signature and indication of specific instrumentation
  c) an indication of precise duration
  d) the traditional indications for bar lines and time signatures

Question 2

Throughout this work the composer grants performers?
 
  a) considerable freedom
  b) enter and exit the concert stage at will
  c) to remain silent
  d) to destroy their musical instruments

[vickybb89]

Answer to Question 1

d

Answer to Question 2

a

[deesands]

Excellent

[amandalm]

Thanks for the timely response, appreciate it