下列哪项是胆道蛔虫症的特点（）

A.上腹钻顶样痛及反跳痛

B.上腹钻顶样痛但体征轻微

C.起病后呈持续性疼痛，阵发性加剧

D.起病缓慢，多在进油腻食物后发作

E.疼痛，高热，黄疸是其重要表现

--- Good news. Li Na has become the first woman to reach a Grand Slam final.

---Fantastic! Nothing sounds _________.

A．good

B．best

C．better

D．worse