单选题 We should be able to do the job for you quickly, ______ you give us all the necessary information.

【正确答案】 D
【答案解析】考查易混短语的辨析。provided that的意思是“假如,假设”。其他三个选项用在本题中意思不通:in case万一;or else否则,可替换为otherwise;as if好像。