As we joined thebig crowd I got ________ from my friends.
A.separatedB.sparedC.lostD.missed在线课程A
解析：
从题意看，get与一动词应构成“get+过去分词”的系表结构，而C项的lost与from又不能搭配，BD两项明显意思不对，排除。故选择A。