I've---all my pockets but I still can't find my key to the bike .Agone throughBsearched

A
go through：仔细检查 翻找；搜寻；查看：
例：
Mother went through the drawer looking for the sweater.
妈妈在抽屉中翻找毛衣.为什么B不对语法上，search作为及物动词，也可接宾语，如search a house，没错。但仔细体会语意，这里是“翻遍、找寻”、而不是“搜查”的意思，因此，语义上，go throught合适，而search不合适。