After five hours drive，they reached       they thought was the place they’d been dreaming of.

A．that

B．where

C．which

D．what

患者，男，56岁。头晕、头痛4个月，查体：血压增高。舒张压>120mmHg，腹部可闻及血管杂音。眼底视网膜水肿伴出血。

为明确诊断应选用（）

A.MRI

B.CT

C.超声

D.血管造影

E.核医学