Only one?
If one then cheerful
If two then gloomy and cheerful
True they can. I am not sure about this
This first chapter is appropriately titled "Mr. Sherlock Holmes," as it introduces us to the great detective, while describing his abilities, and comparing him to Dr. Watson. Watson serves as Holmes' chronicler throughout the Sherlock Holmes series, but he does more than that.
If you are referring to the people Christopher Columbus found in America and incorrectly named them Indians (because he thought he had arrived in India), then the correct answer is Native Americans.
Try D because he says he would not be satisfied by being the subject of the operation