The police ________ the building hoping to catch the thief.
A.looked forB.searched forC.found outD.went through在线课程D
look for, search for意为“寻找……”；find out意为“弄明白”；go through意为“搜寻……”。因句子宾语为the building，所以用go through，意为“搜寻这座大楼”。A、B、C三项的宾语应为寻找的对象。