患者在注射胰岛素的部位出现荨麻样皮疹，不正确的处理为（）。

A.更换胰岛素制剂种类

B.使用组胺药或使用脱敏疗法

C.不必进行处理

D.严重者应该暂时中断胰岛素治疗

E.使用糖皮质激素

Alex is the owner of a furniture shop. Two days ago, Betty went to the shop and asked for the selling price of a piece of furniture. Alex told Betty that there was a special offer under which the furniture was to be sold at a reduced price and that the offer would only last for two weeks. Betty told Alex that she needed time to think about the offer.The next day, Betty returned to the shop to buy the furniture. From a poster on the wall right outside the shop, she discovered that the selling price for the furniture was the regular one.Required:In relation to contract law:Advise Betty as to whether she could buy the furniture at the special price. (10 marks)