患儿女，5个月。因高热伴有喷射性呕吐入院就诊。现患儿烦躁不安，哭闹不止，前囟隆起，诊断为颅内压增高。下列护理措施中不妥的一项是（）

A.保持室内安静

B.使患儿侧卧，抬高头肩部

C.护理操作应集中进行

D.严密观察生命体征

E.静脉用降颅压药应先慢后快

He spoke in such a low voice that it was impossible to make out exactly ___ he was trying to say. [ ]

A. it was what that

B. what was it that

C. that what it was

D. what it was that