血友病患者临床出血特征为()

A．自发性或轻微外伤后出血难止

B．均有皮肤紫癜及粘膜出血

C．出血常发生于负重的大关节腔内

D．负重的肌肉常可出现血肿

E．可出现颅内出血导致死亡

Jason is looking to purchase a 52 inch television. His friend Michael owns an electronic store and offers to sell him a television set having the required screen size for a particular price. Jason decides to take some further time to decide and see if he can obtain a further reduced price from another outlet. He subsequently receives a letter from Michael requesting that he take delivery of the television within a period of 15 days and that he pay the relative price he had offered him.Required:

(b) Explain whether the purported sale between Michael and Jason is deemed legally concluded. (5 marks)