Correct Option: B

lengthy (Adjective) : very long and often too long, in time or size
concise (Adjective) : giving only the information that is necessary and important, using a few words
extended (Adjective) : long or longer than usual or expected
protracted (Adjective) : lasting longer than expected for longer than usual; prolonged
elongated (Adjective) : long and thin, often in a way that is not normal