请大伙帮我解释一下这几题为什么选这个答案！详细点好么！
103.what is ( )ordered the english book?
A the lady's address in beijing who
B the lady's address in beijing which
C the address of the lady in beijing who
D the address of the lady in beijing which
104.there comes a time in every man's life ( )
A then he has to think
B which he needs
C when he has to think
D therefore he has to work hard
109.this is the shop ( )i often buy foodstuff.
A where
B which
C of which
D to which
110.the reason ( )he gave for his being late was unacceptable.
A why
B that
C who
D for which
112.those guilty of a serious crime ( )refuse to reform must be severely punished.
A which
B whom
C when
D who
113.yet no firm evidence had come to light ( )the men arrested were actually responsible.
A which
B as
C what
D that
大家帮我翻译一下，解释一下为什么，为什么别和答案不行？
比如103，为什么选C，不选A？104是什么意思？特别是109，是介词提前么？其他的也帮我详细解答一下行么？
第二个选C，意思是每个人的生命中总有需要思考的时候，括号里内容修饰time，所以用when
第三个应该选where吧，如果要用which的话得是in which
第四个是why， reason嘛，当然是why咯
第五个，refuse的执行者是人，所以是who，这里也没有必要用宾格
第六个是一个同位语从句（你应该知道什么叫同位语从句吧？）所以只能用that
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