4. According to BBC news, the Prime Minister was in an _ mood, having just come from a meeting with Chinese financial institutions who were - he said -remarkably bullish about the UK's prospects.
(A) ecclesiastic
(B) eccentric
(C) effrontery
(D) ebullient

據英國廣播公司消息，總理 _ 心情只是來自于中國的金融機構是的一次會議 — — 他說-英國的前景非常看好。