may i smoke here?A yes,you must B yes,you please C no you need not D NO ,you'd better notthanks

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mayismokehere?Ayes,youmustByes,youpleaseCnoyouneednotDNO,you''dbetternotthanksmayismokehere?Ayes,youm

may i smoke here?A yes,you must B yes,you please C no you need not D NO ,you'd better notthanks
may i smoke here?A yes,you must B yes,you please C no you need not D NO ,you'd better not
thanks

may i smoke here?A yes,you must B yes,you please C no you need not D NO ,you'd better notthanks
选D