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
Answer: Option B
Solution (By Examveda Team)
The reason for which he wrote the letter because he could not contact him over the phone.This Question Belongs to Competitive English >> Sentence Improvement
The answer must be C since reason is never followed by because