Select the correct passive form of the given sentence.
The masons are building the house

Options

A. The masons are building the house
B. The house has been built by the masons.
C. The house was being built by the masons
D. The house is being built by the masons

Explanation

(a) The house is being built by the masons. (Correct) (b) The hous e has been built by the masons. (Tense has changed)(c) The house was being built by the masons. (Tense has changed) (d) The house is building the masons. (Incorrect Tense andStructure)