Select the correct passive form of the given sentence. They shifted the venue of the conference. (a) The venue of the conference was shifted. (b) The venue of the conference has been shifted (c) The venue of the conference has been shifted (d) They were shifting the venue of the conference

Options

A. The venue of the conference was shifted.
B. The venue of the conference has been shifted
C. The venue of the conference has been shifted
D. They were shifting the venue of the conference

Explanation

(a) The venue of the conference was shifted. (Correct) (b) The venue of the conference has been shifted. (Tense has changed)(c) They are shifting the venue of the conference. (Incorrect Tense and Structure) (d) They were shifting the venue of the conference . (Incorrect Tense and Structure)