Which words are the first and last words of the participial phrase in this sentence?

Crunching popcorn the whole time, we were totally engrossed with the movie.

A.
totally movie

B.
crunching popcorn

C.
crunching time

D.
totally engrossed

Question

Which words are the first and last words of the participial phrase in this sentence? 

Crunching popcorn the whole time, we were totally engrossed with the movie.
  
 
 

 
 

  

  A. 
  totally movie   
   

 
 

  

  B. 
  crunching popcorn   
   

 
 

  

  C. 
  crunching time   
   

 
 

  

  D. 
  totally engrossed

math&ing001 · Answer

The participle phrase will begin with present or past participle with some modifiers to complete the thought.
Which is the beginning of the  participle phrase here ? engrossed or crunching ?

math&ing001 · Answer

@Godisgood what's your opinion ?

anonymous · Answer

i will say c

math&ing001 · Answer

Correct !