Which kind of phrase are the underlined words in the sentence?

Few will master all the steps in one week.

A.
adjective phrase

B.
adverb phrase

C.
appositive phrase

Question

Which kind of phrase are the underlined words in the sentence? 

Few will master all the steps in one week.
  
 
 

 
 

  

  A. 
  adjective phrase   
   

 
 

  

  B. 
  adverb phrase   
   

 
 

  

  C. 
  appositive phrase

seeing.in.pixels · Answer

That depends on what is underlined... I suggest you comment which words are underlined.

aphmeow · Answer

in one week is underlined

seeing.in.pixels · Answer

prepositional phrase is the answer, but I don't see it listed

tsukiyama_shuu · Answer

Aye, thats what I thought

I suppose that the only other one is the adverb phrase, but I don't see how that would work

aphmeow · Answer

ok thanks I hope I pass the test