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Jonas Salk, an American physician whose careful studies demonstrated a

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Jonas Salk, an American physician whose careful studies demonstrated a  [#permalink]

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New post 16 Jan 2020, 04:48
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A
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E

Difficulty:

  15% (low)

Question Stats:

78% (01:00) correct 22% (01:13) wrong based on 32 sessions

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Jonas Salk, an American physician whose careful studies demonstrated a means of providing lasting immunity to polio.

(A) Jonas Salk, an American physician whose careful studies demonstrated a means of providing lasting immunity to polio.

(B) Providing lasting immunity to polio was demonstrated by Jonas Salk, an American physician with careful studies.

(C) Jonas Salk was an American physician who had careful studies which demonstrated a means of providing lasting immunity to polio.

(D) Jonas Salk was an American physician whose careful studies demonstrated a means of providing lasting immunity to polio.

(E) Jonas Salk, whose careful studies demonstrated a means of providing lasting immunity to polio, an American physician.

Source: Master GMAT

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Re: Jonas Salk, an American physician whose careful studies demonstrated a  [#permalink]

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New post 16 Jan 2020, 05:04
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Jonas Salk, an American physician whose careful studies demonstrated a means of providing lasting immunity to polio.

(A) Jonas Salk, an American physician whose careful studies demonstrated a means of providing lasting immunity to polio.

Jonas Salk - Subject is without a verb; whose - relative pronoun starts a relative clause having careful subjects as subject and demonstrated as verb.

Fragment -
Incorrect

(B) Providing lasting immunity to polio was demonstrated by Jonas Salk, an American physician with careful studies.

Providing...., - Modifier; an American... -> Subject without a verb

Fragment -
Incorrect


(C) Jonas Salk was an American physician who had careful studies which demonstrated a means of providing lasting immunity to polio.

Clause, relative pronoun; had careful studies - distortion in meaning, trying to imply as if studies weren't his but may be developed by someone else and he just happened to have them. - Incorrect

(D) Jonas Salk was an American physician whose careful studies demonstrated a means of providing lasting immunity to polio.

Correct; Good sentence structure

(E) Jonas Salk, whose careful studies demonstrated a means of providing lasting immunity to polio, an American physician.

Subject, Modifier, Modifier - No verb to the main subject - Fragment - Incorrect
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Re: Jonas Salk, an American physician whose careful studies demonstrated a   [#permalink] 16 Jan 2020, 05:04
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Jonas Salk, an American physician whose careful studies demonstrated a

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