关于饥饿初期时的机体代谢变化，下述哪一项是主要的（）。

A.机体的代谢率降低

B.机体组织此时均利用脂肪氧化供能

C.初期蛋白质分解增加，几天后分解减少

D.糖原分解加强

E.蛋白质分解释出的氨基酸经糖异生作用生成葡萄糖

Tony decided to sell his horse Please Be True. He wrote to his friend Jimmy as follows:‘Dear JimmyI trust all is well with you old chap. Please Be True is for sale. The price is P7,000·00. If you are interested, come to the house with the money and you can take her away with you.’Jimmy received Tony’s letter and replied as follows:‘My good friend Tony, many thanks for the offer. I would dearly love to buy Please Be True. However P7,000·00 is rather too high a price for a horse. I will pay you P5,000·00 for her.’Tony did not reply to Jimmy’s letter. Two days later Jimmy phoned Tony stating that he was now willing to buy Please Be True for P7,000·00. However by then Tony had already sold the horse to Amanda.Jimmy wishes to sue Tony for breach of contract.Required:

(a) Advise Jimmy as to the legal position. (7 marks)