There are many birds ______ the orange tree.[ ]
A. in
B. on
C. between
答案：A
心悸痰火扰心证的症状可有
A．心悸时发时止，受惊易作
B．胸闷烦燥
C．渴而不欲饮
D．大便秘结，小便短赤
E．胸痛如刺
