下列哪项不是非心源性胸痛的病因（）.
A.胃食管反流
B.胃角溃疡
C.精神心理因素
D.食管裂孔疝
E.急性胸膜炎
参考答案：C
After hours of searching, their patience was _________ and they found what they were looking for.
A．calculated
B．confirmed
C．rewarded
D．evaluated
