I’m afraid I’m not ________ to help with the talent show, for I am fully occupied with my own project.

A．reliable

B．convenient

C．available

D．accessible

治疗痰湿蒙蔽清窍所致的神志昏乱宜首选（）

A.石菖蒲

B.冰片

C.天竺黄

D.竹茹

E.郁金