Roy, who was supposed to on a diet, kept making ______ trips to the kitchen to nibbleon this and that, whenever he thought no one would notice.

【正确答案】 B

【答案解析】respite休息(时间)，暂时的缓解或轻松。surreptitious偷偷摸摸的，暗中进行的。secret秘密的，机密的。merry欢乐的，愉快的。