In relation to employment law:

(a) explain the meaning of ‘constructive dismissal’; (5 marks)

下列各组语句中，全都能表现京师“当时之盛”的一组是（）①渐次长立，正当辇毂之下②按管调弦于茶坊酒肆③出京南来，避地江左④节物风流，人情和美⑤天宁节女队归骑，年少争迎⑥率皆依准方俗，无强藻润

A.①②④

C.①③⑤

B.②④⑤

D.③④⑥