The last one is the correct answer.
It is "It's going to be a long wait," the nurse confided.
When someone is speaking, there needs to be quotation marks. Also, <em>It's</em> needs an apostrophe because that makes it stand for "It is"
So the last answer is the right one.
A) to analyse the theme in a piece of narrative writing
The correct answer to your question is A, Britain.
When Gandhi was born, Britain had India under it's palm. Before, India resorted to violence I believe two times to get the British out, but he took the peaceful route. Much like Martin Luther King Jr.
There needs to be a question mark after the first sentence.