If you have settled to _____ and get married after the voyage, you must _____ considering looking for a job

in the city. [ ]

A. set down; set out

B. settle down; set down

C. set down; get down to

D. settle down; set about

患者，男性，出现厌食、低热、乏力、体重下降和轻度贫血等全身症状，下腰（钝痛状）痛和脊柱僵硬，有牵涉痛，早起出现下腰部僵硬，起床困难。在检查时发现吸气时胸廓不能活动而只能靠膈肌呼吸，眼部发现急性葡萄膜炎，血沉增快，血清C反应蛋白明显增高，血清IgA和IgM有轻度或中度增高。经诊断这种疾病是（）

A.干燥综合征

B.强直性脊柱炎

C.IgA肾病

D.系统性红斑狼疮

E.巨球细胞血症