Select the correct passive form of the given sentence.
They are constructing a residential youth hostel.

Explanation

(c) The wild and mad elephant is claimed to have been seen in several cities. (Correct) (a) The wild and mad elephant is being claimed to be seen in several cities. (Tense has changed) (b) The wild and mad elephant was claimed to be seen by people in several cities. (Tense has changed) (d) The wild and mad elephant has been claimed to be seen by the people in several cities. (Tense has changed)