As apartheid \_\_\_\_, South Africa’s elite private schools started accepting children of all colors.
Ais coming to an end
Bcomes to an end
Cwas coming to an end正確答案
Dbeing come to an end
答案與詳解
「was coming」為過去進行式,與主句過去式「started」時態一致,表達「當種族隔離制度正走向尾聲時」的背景動作,語法與語意皆正確。
