关于口服降糖药的描述正确的有（）

A.磺脲类药物可直接刺激胰岛B细胞释放胰岛素

B.磺脲类药物对胰岛素水平较低或分泌延迟的轻度糖尿病有效

C.糖适平适合于肾功能不全者或者老年人

D.双胍类药物可直接刺激胰岛B细胞释放胰岛素

E.拜糖平主要用于降低餐后血糖

Not far from the club, there was a garden, ____ owner seated in it playing bridge with his children every afternoon.

A．whose

B．its

C．which

D．that