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Errors:
A)
i) needing as a verb-ing modifier implies that it is either:
I) Result of easy to conduct diagnosis in the comforts of home
OR
II) Easy to conduct diagnosis is possible by needing patients to pay far less
Both are illogical as conducting and needing are not related
ii) //ism: It is a list of 3 things where: 1st & 3rd are verbs, the 2nd one is odd man out because it is the verb-ing modifier
Thus this option is both grammatically & logically not //
B) Same as A ii) list is not logically & grammatically //
C) Correct choice
D)
i) use of ensuring & needing as Noun modifier modifying the test is incorrect
ii) are saving doesn't have a subject
iii) needing patients to pay far less is not // are saving
E)
Same as D iii) & i)
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