根据下面内容，回答68~71题：DIt’snoteasybeingateenager(13至19岁青少年)-norisiteasybeingtheparentofateenager．Youcanmakeyourchildfeelangry,hurtormisunderstoodbywhatyousaywithoutr ealizingityourself．Itisimportanttogiveyourchildthespaceheneedstogrowwhilegentlylettinghimknowthatyou’11stillbethereforhimwhenheneedsyou．
Expectalotfromyourchild，justnoteverything．Exceptforhealthandsafetyproblems，suchasdruguseorcarelessdriving，considereverythingelseopentodiscussion．Ifyourchildisunwillingtodiscusssomething，don’tinsisthetellyouwhat’sonhismind．Themoreyouinsist，themorelikelythathe’11clamup．Instead，lethimattempttosolve(解决)thingsbyhimself.Atthesametime，remindhimthatyou’realwaysthereforhimshouldheseekadviceorhelp．Showrespectforyourteenager’sprivacy(隐私)．Neverreadhismailorlisteninonpersonalconversations．
Teachyourteenagerthatthefamilyphoneisforthewholefamily.Ifyourchildtalksonthefamily’stelephonefortoolong，tellhimhecantalkforl5minutes，butthenhemuststayoffthephoneforatleastallequalperiodoftime．Thisnotonlyfreesupthelinesothatotherfamilymemberscanmakeandreceivecalls，butteachesyourteenagermoderation(节制).Orifyouareopentotheidea，allowyourteenagerhisownphonethathepaysforwithhisownpocketmoneyorapart-timejob.
第13题：Themainpurposeofthetextistotellparents__________.
A．howtogetalongwithateenager
B．howtorespectateenager
C．howtounderstandateenager
D．howtohelpateenagergrowup
正确答案：D
