Zhuzhou→Beijing

Train No	Leave	Arrive	Travel time	Ticket price （yuan）
				Hard seat	Hard sleeper	Soft sleeper
K158	10：36	05：52	19hr 16min	192	351	541
G68	13：38	20：56	7hr 18min	666	/	/
G422	13：43	21：09	7hr 26min	666	/	/
T146	16：34	10：52	18hr 18min	192	351	541
K600	22：24	21：00	22hr 36min	192	351	541

54．Which train needs the longest time？　　

A．K158

B．T146

C．K600

55．Which train leaves in the morning？　　

A．K158

B．G68

C．G422．