书名：斯巴达式10回阅读
版本：2018/09
页数：p.194，第104题
题目：
You should contact the Human Resorces Department to find out what the _____ process for attending the seminar is.
as you decide to attend.
(A) apply
(B) applying
(C) applied
(D) application
疑问：为何答案是D, 不是B?

句子改成what is the [application process] for the seminar, application process表示申请程序;applying是”申请”的ing形式，不是形容词