In the question given below, a part of the sentence is in bold and italicised. Below are given alternatives to the bold and italicised part which may improve the sentence. Choose the correct alternative. In case no improvement is needed, choose option 'D' as the answer.
The reason why he wrote the letter was because he could not contact him over the phone.
A.
why he wrote the letter was since
B.
for which he wrote the letter because
C.
why he wrote the letter was that
D.
No improvement
Correct answer is B
No explanation has been provided for this answer.
