Leave your key with a neighbor you lock your-self out one day.
A. ever since
B. even if
C. soon after
D. in case
网友回答
A. ever since
B. even if
C. soon after
(答案→)D. in case
解析：in case意为“以防万一”。根据所提供的情景“Leave your key with a neighbor”可判断出表示“把你的钥匙留给你的邻居,以防有一天把你锁在外边”。所以选D项。ever since意为“从那时起,自那时以来”。even if意为“即使”。soon after意为“不久之后,稍后”。