Select the correct Passive form of the given sentence.   Has someone made all the necessary arrangements ?

Has all the necessary arrangements been made by someone ? Have the necessary arrangements been all made by someone ? Have all the necessary arrangements been made by someone ? All the necessary arrangements have been made by someone.

Have the necessary arrangements been all made by someone ?

Answer: (b.; ‘’ is used according to Present Perfect tense rule and singular subject. ‘ has/have + III Form’ is changed into ‘has + been + III form’. Interrogative sentence structure is used.