A would be the correct answer because there should be. Period in the quote
The answer is A
mom did you know that 6 out of 10 teenagers do better in school when they wear
Sector 7,
Dwarka,
New Delhi
110006
Date- 16th August 2018
Dear Mother,
How are you? Everything is well at my end and hope the same with you. In this letter, I wanted to tell you about today as today was one of the most hectic days. Because of the Independence Day celebration, I was very tired since yesterday. And today my maths teacher had asked us to complete the assignment tomorrow itself. Although I've completed the task but have become very tired.
For now, I’m ending the letter. Will talk about it more in another letter. Take care of yourself.
Your loving son
XYZ
So they can earn money since their father is gone and can't earn money himself.
I would say D. because all of the others are basically answering the entirety of the speech. If you would discuss ways to increase the literacy rates in the U.S. you would need to go over it last after you explain why the U.S. is so illiterate.