窗体是用户和Access应用程序之间的主要______。

常用剂量：每次1片，每日3次，空腹服用

A．usual dosage: 1 tablet, tid, to be swallowed at meal time．
B．usual dosage: 1 tablet, three times a day, empty stomach．
C．usual dosage: 3 tablets daily dose, empty stomach．
D．usual dosage: 1 tablet single dose, three times a week．
E．usual dosage: 3 tablets, three divided doses per day．
找出对应的英文：