Present perfect continuous

Test No. [color=blue]incompl/inter-90 “Tenses”, question 10

She’s working there since she left school.

(a) had
(b) done
© have
(d) been

Test No. [color=blue]incompl/inter-90 “Tenses”, answer 10

She’s been working there since she left school.

Correct answer: (d) been

Your answer was: [color=red]incorrect
She’s have working there since she left school.
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why choose ‘been’

It’s a sentence in Present Perfect Continuous/Progressive:

Subject + form of have + [color=blue]been + verb+[color=blue]ing.

Example:
I have been working since 4 pm, I need a break now.

[color=blue]She’s been working is the short form of She [color=blue]has been working.[YSaerTTEW443543]

TOEIC short conversations: Discussing a work contract[YSaerTTEW443543]