question_answer

Choose the option that best transforms the given sentence into active voice? The lock had been opened using a hairpin and the lights were switched on.

A) A hairpin had been used to opened the lock and the lights were switched on

B) A hairpin was used to open the lock and someone had switched on the lights

C) A hairpin was opened to use the lock and the lights were switched on

D) A hairpin was opening using the lock and the lights were switched on