Select the correct passive form of the given sentence. They sealed all unauthorized farms on the highway. (a) All unauthorized farms on the highway were sealed. (b) They are sealing all unauthorized farms on the h ighway (c) All unauthorized farms on the highway have sealed the authorities (d) The authorities were sealing all unauthorized farms on the highway.

Options

A. All unauthorized farms on the highway were sealed.
B. They are sealing all unauthorized farms on the h ighway
C. All unauthorized farms on the highway have sealed the authorities
D. The authorities were sealing all unauthorized farms on the highway.

Explanation

(a) All unauthorized farms on the highway were sealed. (Correct)(b) They are sealing all unauthorized farms on the highway. (Incorrect Tense and Structure) (c) All unauthorized farms on the highway h ave sealed the authorities. (Incorrect Tense and Structure) (d) The authorities were sealing all unauthorized farms on the highway. (Incorrect Tense and Structure)