start与begin都是瞬间动词吗?The film____when I got there?A：has begun B:had already started C:begun D:have already begun

start与begin都是瞬间动词吗?The film____when I got there?A：has begun B:had already started C:begun D:have already begun
start与begin都是瞬间动词吗?
The film____when I got there?
A：has begun B:had already started C:begun D:have already begun

start与begin都是瞬间动词吗?The film____when I got there?A：has begun B:had already started C:begun D:have already begun
B.start与begin都是瞬间动词

这道题还可以从时态方面做出正确的选择，从句I got there已经是过去时态了，所以主句必须是过去完成时，所以只能选择B