No regular advertiser dare produce anything that fails to stick to the ____ of his advertisement.

A．standard

B．level

C．text

D．promise

患者胃痛，脘腹胀满，嗳腐吞酸，吐不消化食物，大便不爽，舌苔厚腻，脉滑。其治法是：（ ）

A．理气消胀

B．消食导滞

C．理气和胃

D．消食健脾

E．和胃止呕