Notwithstanding the unforeseen delays, I will notify you \_\_\_\_ the final approval is granted so that we may proceed without further complications.
Ain case
Bdespite
Ceven if
Das soon as正確答案
答案與詳解
「as soon as」意為「一……就……」,引導時間副詞子句,後接完整子句,完美契合「一旦最終批准下達就通知」的語意與語法。
