胃阴虚证的临床表现有（）
A.胃脘隐隐灼痛
B.胃脘刺痛
C.胃脘灼痛
D.胃脘胀痛
E.胃脘绵绵冷痛
参考答案：A
服用某些磺胺药时，为什么常同服碳酸氢钠并多饮水？
Please discuss Henry James’ contribution to American literature in regard to his representative works, themes, writing techniques and language.
