Question

their furtive campaign was eventually rumbled by zealous library staff and they were imprisoned for six months for theft and malicious damage, after a trial that attracted tabloid publicity. source: bbc in the sentence above, furtive has the same or almost the same meaning as: envious dauntless candid covert

Explanation:

"Furtive" means secretive or done in a stealthy way. "Covert" also means hidden or secret. "Envious" relates to jealousy, "dauntless" to courage, and "candid" to being open - honest. So "covert" is the closest in meaning.

Answer:

D. covert