According to this, the answer is A.
The answer is [ because of the separation, sentences with this error often sound awkward, ridiculous, or confusing.]
from address
.....
To address
....
Date- ....
Subject- Request to borrow book
dear ....
i wanted to request you if i could borrow your book called .... . my friends told me that it is a very interesting book. I know that you love the book but i so badly want to read it. I request you to lend me the book. i promise you that i will keep it in perfect condition. i would be very thankful if u lent me the book.
Yours sincerely,
....
Answer:
Mr Thomas can't see the numbers that indicate his seat on the plane (D)
Your answer would be A.
Hope helps!
