Why only Those is proper here? Not 'these'?

English Language Tests, Intermediate level

ESL/EFL Test #170 [color=blue]“this, that, these, those”, question 7

students at the administration office want to transfer to our school.

(a) Those
(b) That
© This
(d) These

English Language Tests, Intermediate level

ESL/EFL Test #170 [color=blue]“this, that, these, those”, answer 7

Those students at the administration office want to transfer to our school.

Correct answer: (a) Those

Your answer was: [color=red]incorrect
These students at the administration office want to transfer to our school.
[size=200]_________________________[/size]

Dear Sir,

I think These is also right if the speaker stands near these students, why only Those is proper here?

Thanks in advance

Christina

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The students are ‘at the administration office’, so they are not ‘here’.
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