求助OG10-1,OG10-5

5. Carbon-14 dating reveals that the megalithic monu­ments in
Brittany are nearly 2,000 years as old as any of their supposed
Mediterranean predecessors.

(A)  as
old as any of their supposed

(B)  older
than any of their supposed

(C)  as
old as their supposed

(D)  older than any of their supposedly

(E)  as old as their supposely

                大家是如何从题目中看出一个东西是老于另一个而不是一样老呢？ 

1.  The Wallerstein study indicates that even after a decade young men
and women still experience some of the effects of a divorce occurring when a
child.

(A)  occurring
when a child

(B)  occurring
when children

(C)  that
occurred when a child

(D)  that occurred when they were children

(E)  that has occurred as each was a child

1．
                看了关于og10-1的过往解答还是不太理解，解释中说occurring when a child 修饰的是divorce，不正确。而that occurred when a child 修饰是men and women。所以后者比前者好。但是为什么这两者会造成修饰的对象不同呢。

非常感谢~