. 选could帮我翻译和解释一下

. If only they _____ find a way to get to the room, or whatever it was, behind the wall.
A. can B. ought C. will D. could

选could

. 选could帮我翻译和解释一下 请帮翻译和解释!!! 帮我解释并翻译 翻译并解释此句为什么用could不用can 帮我翻译“I'd reassuer her if I could” 好心人帮我翻译解释下吧！ 请帮我翻译解释下这首诗 请文言文高手帮我翻译解释: 帮我分析一下could和would的用法，在这篇短文里。 帮我解释解释