What is the opposite of unclasped?

Only pick from the following words: Wondering, fastened, permitting, controlled, listening, regretted, suffered, suffered, admitted, referred, bothered, submitted, whispered, transferred, occurring, canceled, developing, scruffling, upstting, wondered, or quarreled. THANKS!!! :) (ANSWER THE QUESTION RIGHT OR YOU GET YELLED AT!) :o :) :D