英语专业四级语法题目 求讲解

答案：B
解释：
1. 此句本身语法并无错误.
前后两个句子如果是完整的句子,则中间的逗号说明这两个句子要么是并列句,要么是主从复合句.
但是不管是哪一种句子,都缺少一个连词来引导这两个句子.
可以改成：Because he was deprived of the financial means to remain independent, Thomas E dison was compelled to seek employment as a night telegraph operator.
或：He was deprived of the financial means to remain independent, so Thomas E dison was compelled to seek employment as a night telegraph operator.
2. 如果使用答案A,则that引导的是什么从句呢?
如果是名词性从句,则逗号后面的主句又不缺少主语,宾语,表语或同位语这种名词性成分；
如果引导定语从句,则该从句修饰后面主句中哪一个名词/代词呢?更何况that也不能充当非限制性定语从句的关系词.
3. 答案B使用了deprived of the financial means to remain independent这种过去分词短语做后面句子的原因状语,为正解.
因为句子主语Thomas Edison和deprive之间构成短语：sb be deprived of...,所以使用过去分词deprived来引导此状语.
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