Hmm tough one...
I would say B
Is there any option we can choose?
Independent clause. because they are going to do it.
Answer:
You are Radha G member of NGO Awaaz write a letter to the editor of a national daily for a public movement to clean the Yamuna river you must introduce yourself describe how the people are to be blamed for polluting the river and suggest the need for installing water treatment plant to clean
