The article alternates active and passive constructions according to the information being foregrounded. In the opening section, the discovery itself receives prominence before the text turns to the researchers and the methods used to obtain the evidence.

Considering verb tense, aspect, and voice in sentences from the article, mark T, for true, and F, for false.

(__)In "A civilisation [...] has been uncovered beneath the Amazon rainforest's dense canopy, has been uncovered" is a present perfect passive construction.
(__)In "Researchers used LIDAR", the simple past active presents researchers as the grammatical subject performing the action expressed by used.
(__)In "The findings were published in Nature", the passive construction foregrounds the findings rather than requiring the agent responsible for publication to occupy subject position.
(__)In "The survey uncovered thousands of geometric patterns", the verb uncovered is passive because the geometric patterns receive the action described in the sentence.

After analysis, select the alternative that presents the CORRECT sequence of the items above, from top to bottom.