The answer is b, are.
The reason is because it is the only one that fits in the sentence that makes sense!
5. I promise that I 
this secret to anyone.
One of the biggest bugaboos in manuscript submissions is when the author doesn’t properly introduce the protagonist within the first chapter. Readers want to know quickly the protagonist’s, age and level of sophistication in the world of the story, and they want to relate to the character on an emotional level. Readers’ interest in the protagonist has to be earned, in other words.
If we like a character, then we want to see her do well and we’re willing to follow her around and invest our time and interest in rooting her on in her struggle. But it’s important we know some essentials about the character so we can get to like her. The trick is to avoid stand-alone description or exposition and to instead show your character in action.
Most likely because they want to give you a good imagination and make u feel like your actually there.
Answer:
B is the correct answer to the given question
