【题目】________in the traffic jam, they were late for the wedding party.
A.Sticking
B.Stuck
C.Being stuck
D.Having stuck

【答案】B
【解析】句意：由于被困在了交通堵塞中，所以他们参加婚宴迟到了。be stuck in“被困在……中”，此处是v.ed形式短语作状语。