Select the correct passive form of the given sentence.
The police brought a search warrant when they raided his house.

Options

A. A search warrant was brought by the police when they raided his house
B. A search warrant was brought when they raided his house by the police
C. The police had raided his house and brought a search warrant.
D. A search warrant had been brought when the police raided his house

Explanation

(a) A search warrant was brought by the police when they raided his house.(Correct) (b) A search warran t was brought when they raided his house by the police .(structure incorrect) (c) The police had raided his house and brought a search warrant. (Incorrect Tense and Subject) (d) A search warrant had been brought when the police raided his house. (Tense has changed)