题目内容：
第一篇TooLatetoRegretItWhenIwasajunior,Imetasecond-yearstudentinmydepartment.Hewasn'ttallorgood-looking,buthewasverynice,attractiveandathletic.HehadsomethingthatIadmiredverymuch.Hewasnatural,warm,andsincere.
Idisregarded（不顾）myparents'disapproval.Wewereveryhappytogether.Hepickedmeupfrommydormeverymorning，andafterclasswewouldsitalongsidethestreamthatranthroughcampus，orsunbathe（晒太阳）onthelawn.Atnighthewouldwalkmebacktomydorm.Hecamefromapoorfamily，butinordertomakemehappy，heborrowedmoneyfromhisfriendtobuypresentsandmealsforme.Ourfellowstudentslookeduptohimasarolemodel，andthegirlsenvied（妒忌）me.Hewasn'talocal，butwantedtostayhereaftergraduation.Ithoughtwehadafuturetogether.
However,whenIgotapart-timejobduringthesummervacation,peoplebegangivingmealotofpressure,sayingthatapretty,intelligentgirllikemeshouldfindabetterguytospendtimewith.Thiswasalsowhatmyfamilythought.Hespentthesummerinhishometown,soIwasallbymyself.Whenhegotback,Ibeganfindingfaultwithhim.Buthisbigheartandwarmthsoondroveallunpleasantthoughtsaway.However,IhadnoideahowbadlyIhadhurthimandthatthingswouldgetworse.
Ihadagoodpart-timejoboffcampusthatpaidprettywell.Withmygoodperformanceatschool,IalsogotadmissiontograduateschoolatoneofChina'sbestuniversities.He,ontheotherhand,did not do so well at school or at work. I had to worry about his living expenses, job and scores.
Almost all my colleagues and friends advised me to break up with him. Then we had a quarrel last June. He was in great pain, and my cold words and bad moods started turning him away.
Graduation time was drawing near, and he said he wanted to go back to his hometown. He said that he couldn't put up with me anymore. I was shocked and looked at him in despair.
True love happens only once, but I found it out too late.
When did the author fall in love with the boy? A．After she had a quarrel with him.
B．When she was a junior.
C．When she was a second-year student.
D．After she found a part-time job.
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