.

--- It was a pity that you missed the famous star yesterday.

---  ______ I hadn’t returned to my hometown.

A．except that

B．only if

C．if only

D．even though

下列哪项不属于胁痛的病理因素

A．肝气郁结

B．胃气上逆

C．瘀血厚着

D．肝胆湿热

E．肝阴不足