Q154
Someone saw him picking up a gun.
A.
He was seen pick up a gun by someone.
B.
He was seen picking up a gun by someone.
AnswerC.
He was seen when he was picking up a gun.
D.
He was seen by someone pick a gun.
Answer: Option B
Solution
Answer: Option B
Solution:
He was seen picking up a gun by someone.Given sentence is in simple past tense and it is in active voice, we need to change it into passive voice.
Rule :
Subject + (was / were) + V3 + Optional Agents.