C-06-Q063mediumsingle_mcqঅর্ধস্বরধ্বনি কোনগুলো?a[ই], [উ], [এ], [ও]b[অ], [আ], [এ], [ও]c[অ্যা], [আ], [অ]d[ই], [এ], [আ]