Can someone please explain why E is incorrect

Besides yielding such psychological rewards as relief from stress , deep relaxation, if practiced regularly, can strengthen the immune system and produce a host of other physiological benefits.

Correct answer must be (A)
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Hello s8kadian,

I will be more than happy to help you with this one.

Take a look at the opening part of the sentence: Besides yielding such psychological rewards as relief from stress,...

The above-mentioned part in the sentence tells us that apart from from yielding certain psychological rewards... Hence, we can understand that the sentence intends to talk about the entity that does something else apart from producing psychological rewards.

Hence, this particular entity must be the subject of the sentence.

Grammatically speaking, the sentence starts with a verb-ing modifier yielding.... Hence, it must logically make sense with the subject of the sentence.

The context of the sentence tells us clearly that it is deep relaxation that apart from yielding certain psychological rewards does something else as well. Hence, deep ralxation must be the subject of this official sentence.

However, in Choice E, the results of deep relaxation is the subject that leads to the modification error because the results does not yield psychological rewards. Deep relaxation does. Hence, Choice E has a modifier error.

The correct usage of Verb-ing modifiers has been covered in great details in our Free Trial Concepts course. You can register for free at e-GMAT.com and learn about the correct usage of this modifiers.


Hope this helps.
Thanks.
Shraddha
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