A university holds an international conference. In one of the round tables, five experts in related fields from multiple countries participated. In order to enable them to communicate smoothly, the organizing committee understands in advance the following: Speak French; B is Chinese and English; C is English and French; D is French and Japanese; E is Chinese and German. So what should the organizing committee arrange for seats? ['Meprofen.', 'Metoprene.', 'Propylene.', 'Mebuprene.']