—Bob, are you going to study abroad?
—Sorry, I’m not _______ about it.
A. relax B. interesting C. sure D. personal
—Bob, are you going to study abroad?
—Sorry, I’m not _______ about it.
A. relax B. interesting C. sure D. personal
C 由问句句意“鲍勃，你将去国外学习吗？”及答语中的“抱歉”可知空格所在句句意为“我对此不确定”。be sure about意为“对……有把握”，故选C。