阅读理解
EveryAugustontheislandofHeimaeyoffthesoutherncoastofIcelandyoungpeopleoftentakeawalkalongthestreetthroughoutthenight．What’smoretheirparentsallowthemtostayout．Why?ThechildrenofHeimaeyaregoingtosaveyoungpuffins－smallblack－andwhiteseabirds．
Thecliffsabovethetownarehometoalargegroupofpuffins．Thebirdsdigholesallaroundthecliffs．Theseholesaretheirhomes．Theiryoungstayintheholesforaboutsevenweeks．Thentheybegintoleave．SomemoveslowlyontheirundevelopedwingsandfelldowntothenorthernAtlanticOceanthatsurroundsHeimaey．Theretheyswimwhichtheycandonaturallyandlearntodiveforfish．Othershowevermaylosetheirwayatnightandfindthemselvesinthetowninstead．Onthegroundtheyoungseabirdsareintrouble．Becausetheirwingsarenotfullydevelopedtheycannottakeoffquicklytoseaandsafety．Thebirdsthenbecomeagoodmealforcatsandotheranimals．
Formanyyearsislandershavehelpedtheyoungpuffins．EarlyatnightinlateAugustchildrencarryingthickpaperboxesandlightshurrytotheseashoretocatchpuffins．Theyspendmostofthenightrunningafterthebirds．Theyputthebirdsthey’vecaughtinboxesandtakegoodcareofthem．
Thenextmorningthechildrentakethepuffinstotheoceanandsetthemfree．Thebirdswillliveatseauntiltheyareatleasttwoyearsold．Thentheywillreturntothecliffstobuildhomesoftheirownfortheirfamilies．
WillthechildrenofHeimaeyalwayscometosavepuffiness?“Yes”answeredtheboy．“Welookforwardtoit．Thebesttimeforusissettingthebirdsfree．”
(1)
A．
tocatchpuffinsandtakethemhome
B．
tofreepuffinsfromdanger
C．
todrivepuffinsaway
D．
torunafterpu