whAt DoEs thE spEAkEr mEAn to jAnE A、thE spEAkEr will not join thE pArty until hAlF pAst tEn.B、iF thE spEAkEr CAn Finish his work BEForE hAlF pAst tEn, s/hE will join thE pArty.C、iF thE spEAkEr DoEs not ArrivE At thE pArty until hAlF pAst tEn, s/hE will not join thE pArty.D、thE spEAkEr is not ABlE to join thE pArty BECAusE hE will not BE AvAilABlE until hAlF pAst tEn.