In order to win back the customers, the owner of the restaurant decided to sell his food ____.

A．in a discount

B．with discount

C．at a discount

D．for a discount

有关急性咽炎的描述，正确的是()

A.咽部黏膜及黏膜下组织的急性炎症

B.可累及咽部淋巴组织

C.常继发于急性鼻炎

D.秋、冬季及冬、春季多见

E.首先是应用抗生素或磺胺类药物