阅读下面短文，从短文后各题所给的四个选项(A、B、C和D）中，选出可以填入空白处的最佳选项。
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RecentlymyfamilyandIvisitedKaikouraacoastaltowninNewZealand.Thefirstevenmgitseemeda4 placebutthenextdayIrememberedwhatI'd42aboutitinamagazine—thatitwasoften43tosee(海脉)andwhalesthere!
MyfamilyandI44onagraywindymorningonasmallboat.45theskyturnedbluetenminuteslater.Soonwe46theplacewhereweweresupposedtogoswimming.Tomy47thiswasmorethan40kmfromland.Iwasquite48 bythistimeandwonderedwhywecameallthewayouttherewhen49someoneshouted“Dolphins!”
AllIcould50were力似(鱼續)everywhere一therewereaboutonehundreddolphinsall51towardsourboat!Manyofthemwerejumpingaroundinthewater52theywereaskingustocomeandplay.I53my奶ork/(潜水通气管)andjumpedintothesea.ThenItriedtomake54inthewatertoattractthem.Whatmademe
55wasthattheyheardmeandcametoswimaroundme.Amazinglyadolphinkeptfollowingmebutthenchangedhis56andswaminanotherdirection.Itreallymademerealizehow57theseanimalsare.
AboutanhourlateritwastimeforUStogetbackontothe58.IreallyenjoyedmyselfbutIwasalittlecoldand59toleavethewater.InoticedthateveryoneonboardwassmilingandIrealizedwhatavery60momentwe’dhad.
41.A.busy B.boring C.safe D.great
42.A.read B.sung C.taught D.drawn
43.A.impolite B.terrible
C.difficult D.possible
44.A.gaveup B.turnedback
C.setoff D.dressedup
45.A.Besides B.However
C.Onthewhole D.Inotherwords
46.A.reached B.left C.crossed D.missed
47.A.joy B.regret
C.shame D.surprise
48.A.shy B.wet C.cold D.hungry
49.A.secretly B.suddenly
C.certainly D.naturally
50.A.see B.hear C.smell D.touch
51.A.waving B.climbing
C.looking D.swimming
52.A.evenif B.sothat
C.asif D.nowthat
53.A.sold B.puton C.lost D.pickedoff
54.A.sounds B.faces
C.decisions D.promises