Read the followingpassage and mark the letter A, B, C or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks

EarnestHemingwaywasborninOakpark, asmalltowninthestateofIllinois.Asaboyhewas oftentakenonfrequentlyhuntingandfishingtrips(21)______hisfathertoMichigan (22)______hesoongotacquaintedwiththelifeoftheIndiansandsuchvirtuesascourage andendurance.AfterschoolHemingway(23)______asa newspaperreporterandthenjoinedavolunteerambulanceunitto take partinWorldWarI.Afterthewar hecamehome(24)______ahero.HelivedforseveralyearsinParisafterthat.Hejoinedagroupof expatriatedAmericanwriterswhoconsidered(25)______alostgeneration.InParishepublished"Three StoriesandTenPoems"(1923)and"InOurTime"(1924) in whichhisownexperiencesoflifeare revealed, andwhichbroughthimfameimmediately.

The word “It” in paragraph 2 refers to