Since his works earned him quite a reputation in Liverpool, he has stayed there most of his life, ____ the occasional visit to his hometown.

A．apart from

B．but for

C．regardless of

D．instead of

男，16岁，与同学在操场打球，突然下起大雨，第二天上学感到上呼吸道疼痛，干咳、伴少量黏痰，痰量逐渐增多、咳嗽症状加剧，偶可痰中带血、胸闷、气急。到医院检查，两肺呼吸音粗糙，可闻及散在干、湿性啰音。实验室检查：外周血白细胞计数和分类无明显改变。

最可能的诊断是（）

A.过敏性哮喘

B.急性支气管炎

C.慢性阻塞性肺疾病（单纯型）

D.慢性阻塞性肺疾病（喘息型）

E.支气管扩张症