Brown said he was by no means annoyed；________he was glad to be able to make himself clearly understood.                                                (2012·浙江，14)

A．all in all

B．for one thing

C．on the contrary

D．by the way

对有机磷农药中毒患者，使用阿托品、解磷定治疗中，患者神志变清醒，呼吸困难减轻，肺部湿啰音减少，半小时左右患者出现意识模糊，躁动抽搐，体温高达39.5℃，护士判断可能发生的是

A．阿托品中毒
B．阿托品用量不足
C．脑水肿
D．脑出血
E．解磷定中毒