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Malfunction in LHC

Expert replies
by rahulvsd » Fri Apr 20, 2012 10:35 am
Reporting that one of their more crippling malfunctions has been the sudden and unexpected failure of the liquid helium cooling system, the engineering squad supervising the Large Hadron Collider requested additional funding to develop better maintenance systems.

A. their more crippling malfunctions has been the sudden
B. their more crippling malfunctions has been the suddenly
C. its more crippling malfunctions is the sudden
D. its more crippling malfunctions had been the sudden
E. its more crippling malfunctions had been the suddenly

[spoiler]OA: D[/spoiler]
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Source: — Sentence Correction |

by patanjali.purpose » Fri Apr 20, 2012 11:22 pm
rahulvsd wrote:Reporting that one of their more crippling malfunctions has been the sudden and unexpected failure of the liquid helium cooling system, the engineering squad supervising the Large Hadron Collider requested additional funding to develop better maintenance systems.

A. their more crippling malfunctions has been the sudden
B. their more crippling malfunctions has been the suddenly
C. its more crippling malfunctions is the sudden
D. its more crippling malfunctions had been the sudden
E. its more crippling malfunctions had been the suddenly[spoiler]OA: D[/spoiler]
the engineering squad = use SINGULAR PRONOUN; drop A/B/C;

We need an ADJECTIVE to modify FAILURE = SUDDEN ; drop E

IMO D
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by GmatKiss » Sat Apr 21, 2012 1:18 am
rahulvsd wrote:Reporting that one of their more crippling malfunctions has been the sudden and unexpected failure of the liquid helium cooling system, the engineering squad supervising the Large Hadron Collider requested additional funding to develop better maintenance systems.

A. their more crippling malfunctions has been the sudden
B. their more crippling malfunctions has been the suddenly
C. its more crippling malfunctions is the sudden
D. its more crippling malfunctions had been the sudden
E. its more crippling malfunctions had been the suddenly

[spoiler]OA: D[/spoiler]
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by alex.gellatly » Sun Apr 22, 2012 1:54 am
sudden needs to be parallel to unexpected. Can't use suddenly.

The engineering squad is singular. Have to use its (not their)
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by shubhamkumar » Sun Apr 22, 2012 2:11 am
rahulvsd wrote:Reporting that one of their more crippling malfunctions has been the sudden and unexpected failure of the liquid helium cooling system, the engineering squad supervising the Large Hadron Collider requested additional funding to develop better maintenance systems.

A. their more crippling malfunctions has been the sudden
B. their more crippling malfunctions has been the suddenly
C. its more crippling malfunctions is the sudden
D. its more crippling malfunctions had been the sudden
E. its more crippling malfunctions had been the suddenly

[spoiler]OA: D[/spoiler]
A question for experts.What changes in the non underlined portion would be required to make option C correct?
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