Change the voice: 'Who is calling me?

A By whom am I called?

B By whom I am called?

C By whom am I being called?

D Whom am I called by?

Correct Answer: Option C

Who যুক্ত এ ধরণের বাক্যকে passive voice এ রুপান্তর করার structure হলো- By whom + be verb + obj এর subjective form + being + v3 +?