In the below question, a sentence has been given in Active/Passive Voice. Out of the four alternatives suggested, select the one which best expresses the same sentence in Passive/Active Voice.
Nothing could be seen at this hour of the detail of the mass.
1
I can see nothing at this hour of the detail of the mass.
2
I could have seen nothing at this hour of the detail of the mass.
3
I could see nothing at this hour of the detail of the mass.
4
I couldn't have seen anything at this hour of the detail of the mass.