Q71
Mona was writing a letter to her father.
A.
A letter was written to her father by Mona.
B.
A letter has been written to her father by Mona.
C.
A letter was being written by Mona to her father.
AnswerD.
A letter was written by Mona to her father.
Answer: Option C
Solution
Answer: Option C
Solution:
A letter was being written by Mona to her father.Given sentence is in past continuous tense and it is in active voice.
Rule :
Subject + (was /were) + being + V3 + Optional Agents.