Everyoneisprovidedbynaturewithasetoffinger-printsentirelydifferentfromthoseofeverybodyelse.Itisnowacceptedasascientificfactthatnotwopeoplehavethesamefinger-printsThetenfinger-printsofonepersonalwaysdifferfromthecompletesetofanother.Butthatisnotall.Theprintofeachseparatefingerofapersondiffersfromhisprintsofallotherfingersandfromtheprintsofotherfingersintheworld.Someonehascalculatedthechancethataprintmadebyonepersonwillbethesameasaprintmadebyanotherandthecalculationshowsthatthechanceissosmallthatforallpracticalpurpose,itdoesn’texist.Thepolice,therefore,alwaysrecordfinger-prints,ifpossible,theyareanunfailingcluetoidentifywhenoncetheyhavebeenobtained.Finger-printidentificationasitisknownandpracticedtodayisofcomparatively(相当地)recentorigin.ItfirstcametothenoticeofmodernpoliceforcesinIndia.Finger-printswerefoundsovaluabletherethattheywerelateradoptedbythepoliceofothercountries.Theyacceptedaslegalevidenceinacourtoflaw;ifaman’sprintsarefoundonthesceneofthecrime,itistakenforgrantedthathewasthere,thoughwhenandwhyhewasthereareotherquestions.36.Whichofthefollowingbestexpressesthemainideaofthepassage?
A
Finger-prints mean all in a court of law.
B
"Two persons are rarely, if ever, alike."
C
Man’s different finger-prints are reliable guide to identity.
D
People differ in finger-prints and in appearance.
