Correct Answer & Explanation
Option C
• 'Garrulous' describes a person who is excessively talkative, especially about trivial or unimportant matters.
• Synonyms: Loquacious, talkative, voluble, chatty.
• 'Taciturn', 'Reserved', and 'Reticent' all mean quiet or uncommunicative.
• Therefore, option C ('Loquacious') is the correct answer.