不好意思，以下有三题，烦请版友协助
一、
书名：朱柳式初级 新多益阅读抢分攻略
页数：p409
题目：
In the past two decades, a number of studies focused on the analysis of
the basic aspects of the ____ of highly sophisticated materials have
been reported, reducing the experimental work required to determine
the proper manufacturing cycle.
(a)process
(b)proceeds
(c)procedure
(d)processing
疑问： 这题解答说是d 不过怎么不是填名词的b呢?
二、
书名：同上
页数：p410
题目：
The computer created a policy by which a test for applicants simulating
job conditions was used ____ or in lieu of a traditional interview.
(a)instead of
(b)in additional to
(c)as well
(d)apart
疑问：这题解答说是b 我毫无头绪.....
三、
书名：同上
页数：p412
题目：
Some students misguidedly overlook financial aid packages they are
eligible ____ residents of particular state, province or territory.
(a)for as
(b)as
(c)for
(d)as to
疑问：这题解答说是a 为什磨不是c呢?
以上三题，恳请解惑，不胜感激。