Which of the following statements regarding the LSA age field are true?

Which of the following statements regarding the LSA age field are true?
A . The unit of this field is seconds. In a LSDB, the LS age of a LSA increases with time.
B . If the LS age of a LSA has reached the LSRefreshTime (30 minutes), any router can regenerate an instance of this LSA again.
C . The unit of this field is seconds. In a LSDB, the LS age of a LSA decreases with time.
D . If the LS age of a LSA has reached the LSRefreshTime (30 minutes), the originator of
this LSA needs to regenerate an instance of this LSA again.

Answer: C