A comma may be useful after
introductory phrases because it avoids confusion and makes sentence flow
easier. The correct answer between all the choices given is the
third choice or letter C. I am hoping that this answer has satisfied your query
and it will be able to help you in your endeavor, and if you would like, feel
free to ask another question.
Answer:
1. Because my coffee was too cold, I heated it in the microwave.
2. Although he was wealthy, he was still unhappy.
3. Whenever prices go up, customers buy less products.
Don’t be sad :)
There’s always an answer to every problem :D
