24. The patient has been _____ of the safety of the operation.
A. assured B. guaranteed C. entrusted D. confirmed

<patient>
patience 耐心，耐性
patient 病人
</patient>

<assure>
operation 手术，操作
assure 保证，确保
insure 保险
policy 保单
</assure>

<confirm>
entrust 委托
trust 信任
confirm 确认
conceive (of) 设想
perceive 察觉
receive 接受，收到
</confirm>