Q225
He was only ten years old when he composed this poem.
A.
He was only ten years old when the poem was composed by him.
AnswerB.
He was only ten years old when the poem has been composed by him.
C.
He was only ten years old when he could compose this poem.
D.
He was only ten years old when this poem had been composed by him.
Answer: Option A
Solution
Answer: Option A
Solution:
He was only ten years old when the poem was composed by him.Given sentence is in simple past tense and it is in active voice.
Rule :
Subject + (was/were) + V3 + Other agents