have been offered -- present perfect passive construction

[Roseni]

English Language Tests, Intermediate level

ESL/EFL Test #80 "Company Decisions", question 4

Because of their expertise the two young engineers have been ......... the opportunity to join our staff.

(a) offer
(b) offering
(c) offered
(d) offers

English Language Tests, Intermediate level

ESL/EFL Test #80 "Company Decisions", answer 4

Because of their expertise the two young engineers have been offered the opportunity to join our staff.

Correct answer: (c) offered

Your answer was: incorrect
Because of their expertise the two young engineers have been offering the opportunity to join our staff.
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why not offered..my understanding the answer shoulbe offering

[Torsten]

Hi Roseni,

This sentence is a present perfect passive construction which follows this pattern:
Object + have + been + past participle.

That's why 'offered' is the correct answer.

Please let me know if my explanation makes sense.

Many thanks,
Torsten
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