They plan to go to the best place________ lunch.[ ]

A. have

B. to have

C. having

D. had

患者，男，55岁。两天前出现右下腹部疼痛，时作时止，并感有气在腹中攻窜，曾服用大黄牡丹皮汤不效，食欲不振，口干口苦，四肢末端冰凉，舌质红，苔薄黄，脉弦数，重按乏力。辨证当是（）

A.小承气汤证

B.桂枝加芍药汤证

C.大承气汤证

D.四逆散证

E.小建中汤证