like vs as

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like vs as

by sudipto » Sun Nov 30, 2008 9:32 pm
Proponents of artificial intelligence say they will be able to make computers that can
understand English and other human languages, recognize objects, and reason as an
expert does—computers that will be used to diagnose equipment breakdowns,
deciding whether to authorize a loan, or other purposes such as these.
(A) as an expert does—computers that will be used to diagnose equipment
breakdowns, deciding whether to authorize a loan, or other purposes such as
these
(B) as an expert does, which may be used for purposes such as diagnosing
equipment breakdowns or deciding whether to authorize a loan
(C) like an expert—computers that will be used for such purposes as diagnosing
equipment breakdowns or deciding whether to authorize a loan
(D) like an expert, the use of which would be for purposes like the diagnosis of
equipment breakdowns or the decision whether or not a loan should be
authorized
(E) like an expert, to be used to diagnose equipment breakdowns, deciding
whether to authorize a loan or not, or the like

OA is C

What i don't understand is how can we compare an action "reason" with the word "like" - shouldn't actions be compared with "as" ?
Source: — Sentence Correction |

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by vivek.kapoor83 » Sun Nov 30, 2008 10:04 pm
HERE, Computers are being compared to experts. So, we use 'like' to compare 2 nouns..SO A, B are out.
in D
like an expert, the use of which would be for purposes like the diagnosis of
equipment breakdowns or the decision whether or not a loan should be
authorized --bold parts are wrong. we use Such as for the example and whether or not is reduntant ..it should be whether...

E.like an expert, to be used to diagnose equipment breakdowns, deciding
whether to authorize a loan or not, or the like - whether or not is wrong. and it seems like expert is diagnosing the equipment breakdowns..


IN C...consice... such as is correctly used to give examples and both are in parllel form... diagnosing and deciding..
SO, C....

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