Which conclusion can be supported by the information in the text?
  a. 
the narrator is bored with life, and this influences his decision to let the stranger into his flat.
  b. 
the narrator is a talented psychiatrist who specializes in delusional patients.
  c. 
the narrator is under extreme stress, and this leads him to experience hallucinations one night.

Yo, we need the text first.

it would be d cause refers into the pargrapgh

the president was the speaker and it was a great part of history.

explanation:

video of the national aeronautic space administration's (nasa) coverage of president john f. kennedy’s address at rice university, houston, texas, concerning the nation's efforts in space exploration. in his speech the president discusses the necessity for the united states to become an international leader in space exploration and famously states, "we choose to go to the moon in this decade and do the other things, not because they are easy, but because they are hard."