, the identity of the offender may never be known or is discovered only after further investigation.
AAt last
BIn others正確答案
CFor this
DSince then
答案與詳解
為什麼答案是 B
In others = In other cases，與前文 In some (cases) 形成「有些…其他…」對比結構，符合犯罪偵查情境中不同案件的分類描述。
考點：時間副詞誤用考點：對比結構考點：因果誤用考點：時態不合
載入中…
