急问一道prep题

As the former chair of the planning board for 18 consecutive years and a board member for 28 years, Joan Philkill attended more than 400 meetings and reviewed more than 700 rezoning applications.

A As the former

B The former

C Former

D She was

E As the

答案是E。这个题。。。之前相同类型的还真没碰到过，是不是因为时态已经是did了，所以就不用former了啊？？