—This morning your mobile phone was always busy. I couldn’t ________ to you until several attempts.

—Oh, I’m sorry. I was discussing the price of our products with a client over the phone.

A．get over

B．get through

C．get across

D．get on

按给药途径分类，在下列片剂剂型中，适用于肝脏首过作用较强的药物的剂型是

A．咀嚼片

B．颊额片

C．泡腾片

D．控释片

E．肠衣片