Read the following context and choose the best option to answer the question.
Context: And Jesus went out , and departed from the temple : and his disciples came to him for to shew him the buildings of the temple . 2 And Jesus said unto them , See ye not all these things ? verily I say unto you , There shall not be left here one stone upon another , that shall not be thrown down . 3 And as he sat upon the mount of Olives , the disciples came unto him privately , saying , Tell us , when shall these things be ?
Question: Why did the disciples ask Jesus that ?
Options: 
- None of the above choices .
 - To get clarification .
 - To get permission .
 - To get confirmation .


To get clarification .