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Senior Manager
Joined: 11 Jul 2006
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26 Sep 2006, 20:30
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According to a study published by Dr. Myrna Weissman, only one percent of Americans born before 1905 had suffered major depression by the age of seventy-five; of those born since 1955, six percent had become depressed by age twenty-four.
(A) only one percent of Americans born before 1905 had suffered major depression by the age of seventy-five; of those born since 1955, six percent had become depressed by age twenty-four
(B) only one percent of Americans born before 1905 suffer major depression by the age of seventy-five; if they are born since 1955, six percent become depressed by age twenty-four
(C) of Americans born before 1905, only one percent of them have suffered major depression by age seventy-five, but six percent of those born since 1955 do by the age of twenty-four
(D) major depression is suffered by the age of seventy-five by only one percent of Americans born before 1905, and by age twenty-four by the six percent born since 1955
(E) Americans born before 1905 suffer major depression by the age of seventy-five only one percent of the time, but six percent of those born since 1955 did so by age twenty-four

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Director
Joined: 10 Oct 2005
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26 Sep 2006, 20:53
(A) only one percent of Americans born before 1905 had suffered major depression by the age of seventy-five; of those born since 1955, six percent had become depressed by age twenty-four
Correct
(B) only one percent of Americans born before 1905 suffer major depression by the age of seventy-five; if they are born since 1955, six percent become depressed by age twenty-four
tense problem. we need past tense. suffered
(C) of Americans born before 1905, only one percent of them have suffered major depression by age seventy-five, but six percent of those born since 1955 do by the age of twenty-four
do is not right. depression is not done it happens, occurs
(D) major depression is suffered by the age of seventy-five by only one percent of Americans born before 1905, and by age twenty-four by the six percent born since 1955
awkward construction
(E) Americans born before 1905 suffer major depression by the age of seventy-five only one percent of the time, but six percent of those born since 1955 did so by age twenty-four
do is not right. depression is not done it happens, occurs

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VP
Joined: 21 Aug 2006
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27 Sep 2006, 07:31
"Americans born before 1905 suffer major depression by the age of seventy-five only one percent of the time......."

time means what? 1 instance? 1% of time period? its vague. Hence, not E.
_________________

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the way is difficult, but perfect trust makes it easy.

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SVP
Joined: 24 Aug 2006
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27 Sep 2006, 07:47
A is the least ugly of the choices. But I think the verb should be have suffered, not had suffered.

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Current Student
Joined: 29 Jan 2005
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27 Sep 2006, 08:13
Another approach:

Even if this sentence happened to be crafted way back in 1985, the past perfect would be a safe choice because most Americans born before 1905 would have already passed away.

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Senior Manager
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27 Sep 2006, 11:57
Yes, OA is A .

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Director
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27 Sep 2006, 12:21
Late but A.

example for two past perfect usage in SC.

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VP
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28 Sep 2006, 03:56
One more for A
trivikram wrote:
how to eliminate choice E here?

E can be eliminated using verb tense. E is in present tense. We need past perfect indicating a completed action.

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28 Sep 2006, 03:56
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