____ St Paul’s Cathedral built after the terrible fire of London in 1666. It looked splendid when first _____!

A．There followed; built

B．There following ; built

C．There followed; building

D．There following ; building

秋季，某养殖户树林下放养的1500只3月龄草鸡生长不良，腹泻、下痢、消瘦，贫血。近几天每天死亡十多只。磺胺氯吡嗪钠可溶性粉经饮水给药5天，未见效。

首先可排除的疾病是（）

A、组织滴虫病

B、鸡蛔虫病

C、鸡绦虫病

D、鸡球虫病

E、前殖吸虫病