Sentence Correction

Elderly patients, many who take expensive brand-name medications daily, could reduce their medical costs by switching to generic drugs and making lifestyle changes.


a.many who
b.many of them who
c.and many of them who
d.many of whom
e.many of which





qa is d[/i]

Hi Engin,

This is a relative pronoun case error question.

The modifier " many who take expensive brand-name medications daily" is modifying elderly patients, the subject of the sentence. The underlined portion is describing many of ? . We need something which RELATES the modifier to subject so relative pronoun whom should be used. Why not WHO? Well WHO is used as a subject and we already have one subject so we need a relative pronoun on which action is performed , So whom is used.

a.many who- case error
b.many of them who - redundant and also changes the meaning of sentence
c.and many of them who- and introduces another main clause
d.many of whom - correct case
e.many of which - which generally for non-living things

Hope it helps

Thanks
Komal

Another way to think about it is to change the second part and try to use "they" or "them".

Would we say:

"many they take medicine"

or

"many of them take medicine"?

Since the second option is proper, we need to use "of whom" instead of "who".