troublesome
weak
indifferent
unconcerned
Answer is Right!
Answer is Wrong!
The correct answer is A. troublesome.
A troublesome person is someone who causes problems or difficulties. A weak person is someone who is not strong or powerful. An indifferent person is someone who does not care about something. An unconcerned person is someone who is not worried about something.
Quiescent means calm and peaceful. The opposite of quiescent is something that is active, noisy, or disruptive. Troublesome is a good antonym for quiescent because it describes someone who causes problems or difficulties.