While Macs and, later, iPads were once \_\_\_\_ classroom tech, Google and Microsoft have overtaken Apple.
Aadjacent to
Bconfined to
Cfamiliar with
Dsynonymous with正確答案
答案與詳解
為什麼答案是 D
synonymous with 意為「與……同義」或「為……的代名詞」。帶入句中表示 Mac 和 iPad 曾經是課堂科技的代名詞，語意通順且能與後文被其他品牌超越形成強烈對比。
載入中…
