Answer: B Wonderful, fabulous and other three options i.e Super, Great and Splendid mean extraordinary or very good. Superlative cannotes a sense of comparison and means of higher quality among many things.
Answer: C Someone who is querulous or peevish or grumbling is usually irritated and complaining about an unimportant thing. Redress means to compensate or set right a wrong. Shabby is dirty or untidy and in poor condition.