单选题 She felt dizzy and had to ______ something to steady herself.
A. hold onto B. hold up
C. hold forth D. hold down

【正确答案】 A
【答案解析】hold onto抓住；hold up阻碍，延误，抢劫；hold forth夸夸其谈、滔滔不绝地讲述某事； hold down压住，保持。