Choose the best possible passive form- 'Who is calling me'?
A. By whom have I been called?
B. By whom am I being called?
D. By whom I am being called?
সঠিক উত্তরঃ
B.
By whom am I being called?
Explanation: QB-272; "Wh" word যুক্ত Continuous tense এর active কে passive করার নিয়ম-
By whom + Auxiliary + Object এর Subjective form + being + Past Participle form of Main verb.