Question

. My dad met someone [who/whom] had worked for Edison. * A. who B. whom

Answer 1

My dad met someone who had worked for Edison.

Step-by-step explanation:

Answer 2

`\huge{\fbox{ \sf{Who}}}`

Step-by-step explanation:

`\underline{ \sf{Rules}} :`

`\star` people ( in the subject position ) + who + verb

Answer : My dad met someone who had worked for Edison.

Hope I helped!

Best regards! :D

~
`\sf{TheAnimeGirl}`