I think the answer is B. People concerned about the environment are likely to buy eco-cars. This may or may not be the correct answer. I think I got this wrong. Sorry if the answer isn't correct.
A is the answer because it ends with a question mark and starts with an interrogative word
After boots you should try put a period.
Answer:
"Andrew says this because he had been able to keep his promise given to Joe Morgan; he had been able to save Mrs. Morgan as well as his newly born baby after it had been born lifeless. It means Andrew felt contented and jubilant at his own efforts and the achievement."
