Research found that those who slept either too much or too little and _____ from brain-stimulating activities like reading were at increased risk of developing cognitive impairment.
Aabstained正確答案
Bentertained
Cmaintained
Dsustained
答案與詳解
A
正確答案
abstain from = 避免/戒除,題意指「遠離」大腦刺激活動者失智風險增加。
逐選項解析
Aabstained✓ 正確
Bentertained✕ 錯誤
entertain 意為「娛樂、款待」,不與 from 搭配,且語意不合(若腦力活動能娛樂人,反而降低失智風險,與句末矛盾)。